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Featured Project

Brent Spence Bridge Emergency Repairs

Covington, Kentucky, to Cincinnati, Ohio

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Projects

Signature Projects

We partner with clients to work on some of the most impressive and iconic projects across the country. Together, we deliver excellence.

Pomeroy-Mason Cable-Stayed Bridge
Pomeroy-Mason Cable-Stayed Bridge

Pomeroy, Ohio

Kaiser Permanente Central San Diego Hospital
Kaiser Permanente Central San Diego Hospital

San Diego, California

Vista Village Trunk Sewer Project
Vista Village Trunk Sewer Project

Vista, California

Antelope Valley Solar Ranch 1
Antelope Valley Solar Ranch 1

Lancaster, California

Shackleburg Road Emergency Bridge Replacement
Shackleburg Road Emergency Bridge Replacement

Anderson County, South Carolina

Dominion Boulevard
Dominion Boulevard

Chesapeake, Virginia

I-15 Corridor Expansion
I-15 Corridor Expansion

Utah County, Utah

Rapid Replacement of a Highly Skewed Railroad Bridge over North Court Street
Rapid Replacement of a Highly Skewed Railroad Bridge over North Court Street

City of Circleville, Ohio

CTfastrak
CTfastrak

New Britain and Hartford, Connecticut

Pyandzh River Bridge
Pyandzh River Bridge

Afghanistan to Tajikistan

Templeton-Atascadero Pathway
Templeton-Atascadero Pathway

Atascadero, California

Liberty Bridge Emergency Inspection
Liberty Bridge Emergency Inspection

Pittsburgh, Pennsylvania

Allegheny County Geotechnical Engineering and Right-of-Way Services
Allegheny County Geotechnical Engineering and Right-of-Way Services

Allegheny County, Pennsylvania

Lakefront West Corridor
Lakefront West Corridor

Cleveland, Ohio

Courtland Street Bridge Replacement
Courtland Street Bridge Replacement

Atlanta, Georgia

Western Wake Freeway
Western Wake Freeway

Raleigh, North Carolina

CalRecycle Inland Fire Wildfire Recovery
CalRecycle Inland Fire Wildfire Recovery

Napa, Sonoma, Mendocino, Lake, Solano, Yuba and Yolo Counties

Winona Bridge
Winona Bridge

Winona, Minnesota

Eastern Kentucky Bridge Flood Response
Eastern Kentucky Bridge Flood Response

Eastern Kentucky

U.S. 49 From Florence to the Scale Area in Richland
U.S. 49 From Florence to the Scale Area in Richland

Richland, Mississippi, and Florence, Mississippi

King Khalid Air Base
King Khalid Air Base

Khamis Mushayt, Saudi Arabia

Avalon Sewer System Rehabilitation and Replacement
Avalon Sewer System Rehabilitation and Replacement

Avalon, Catalina Island, California

CSX Pittsburgh Intermodal Rail Terminal
CSX Pittsburgh Intermodal Rail Terminal

Pittsburgh, Pennsylvania

Meredith International Centre
Meredith International Centre

Ontario, California

John James Audubon Bridge
John James Audubon Bridge

Point Coupee and West Feliciana Parishes, Louisiana

Bangerter Highway Four Interchanges
Bangerter Highway Four Interchanges

Salt Lake County, Utah

Cuyahoga River Towpath Trail
Cuyahoga River Towpath Trail

Cleveland, Ohio

La Pata Avenue Extension Off-Site Mitigation: Arroyo Trabuco Creek Restoration
La Pata Avenue Extension Off-Site Mitigation: Arroyo Trabuco Creek Restoration

Rancho Santa Margarita, California

Penn State Autonomous Vehicle Proving Ground
Penn State Autonomous Vehicle Proving Ground

Pennsylvania

S.R. 222 Corridor Improvements
S.R. 222 Corridor Improvements

Blandon, Pennsylvania

Soka University
Soka University

Aliso Viejo, California

Amtrak Hudson Line Improvement Program
Amtrak Hudson Line Improvement Program

Albany, New York

Marshall R. Bowen Pumping Plant
Marshall R. Bowen Pumping Plant

Whittier, California

Hurricane Florence Recovery at Camp Lejeune, New River, and Cherry Point
Hurricane Florence Recovery at Camp Lejeune, New River, and Cherry Point

MCAS Cherry Point, MCB Camp Lejeune, and MCAS New River, North Carolina

SEPTA Elwyn to Wawa Restoration Program
SEPTA Elwyn to Wawa Restoration Program

Middletown Township, Delaware County, Pennsylvania

NJ Route 18 Traffic Signal System Contract No. 1
NJ Route 18 Traffic Signal System Contract No. 1

Mercer and Middlesex Counties, New Jersey

Tesoro Water Facilities
Tesoro Water Facilities

Orange County, California

Harbor Park Amtrak Rail Station
Harbor Park Amtrak Rail Station

Norfolk, Virginia

Scudder Falls Bridge Replacement
Scudder Falls Bridge Replacement

Mercer County, New Jersey and Bucks County, Pennsylvania

Ohio Dam Rehabilitations
Ohio Dam Rehabilitations

Ohio

AT&T West GIS Land Base Creation and Maintenance
AT&T West GIS Land Base Creation and Maintenance

California and Nevada

Marine Corps Base Camp Lejeune Sustainability Services
Marine Corps Base Camp Lejeune Sustainability Services

North Carolina

I-80 Structures Replacement
I-80 Structures Replacement

Salt Lake County, Utah

Lower Hill Development
Lower Hill Development

Pittsburgh, Pennsylvania

FDOT State Highway System Resilience Action Plan
FDOT State Highway System Resilience Action Plan

Florida

Route 52 Causeway
Route 52 Causeway

Somers Point and Ocean City, New Jersey

Las Vegas City Hall
Las Vegas City Hall

Las Vegas, Nevada

I-10/Jefferson Street Interchange
I-10/Jefferson Street Interchange

Indio, California

Bus Rapid Transit Traffic Signal Prioritization
Bus Rapid Transit Traffic Signal Prioritization

Provo-Orem, Utah

Fort Lee Lodge
Fort Lee Lodge

Fort Lee, Virginia

Pennsylvania Turnpike Pavement Condition Inventory
Pennsylvania Turnpike Pavement Condition Inventory

Pennsylvania

Jacksonville Regional Transportation Center at LaVilla
Jacksonville Regional Transportation Center at LaVilla

Jacksonville, Florida

Hwy 212 Bayou Derriseaux Structures
Hwy 212 Bayou Derriseaux Structures

Cleveland County, Arkansas

Development of AASHTOWare Bridge Design and Rating™ Software
Development of AASHTOWare Bridge Design and Rating™ Software

Nationwide

The District at South Bay
The District at South Bay

Carson, California

Ivanpah Solar Electric Generating Facility
Ivanpah Solar Electric Generating Facility

San Bernardino County, California

PWSA Curb Box Inspection Program
PWSA Curb Box Inspection Program

Pittsburgh, Pennsylvania

Abraham Lincoln Bridge
Abraham Lincoln Bridge

Louisville, Kentucky

Nellis Air Force Base (AFB) Simulation Center
Nellis Air Force Base (AFB) Simulation Center

Nellis AFB, Nevada

Navy Gateway Inns and Suites
Navy Gateway Inns and Suites

Naval Station Newport, Rhode Island

SEPTA – RailWorks and Market Street Elevated Reconstruction Programs
SEPTA – RailWorks and Market Street Elevated Reconstruction Programs

Philadelphia, Pennsylvania

San Diego International Airport Terminal 2 Parking Plaza
San Diego International Airport Terminal 2 Parking Plaza

San Diego, California

Vine Street Expressway
Vine Street Expressway

Philadelphia, Pennsylvania

I-35 Planning and Environmental Linkages Study
I-35 Planning and Environmental Linkages Study

Austin, Texas

I-10 Corridor Express Lanes
I-10 Corridor Express Lanes

San Bernardino County, California

Donlin Gold
Donlin Gold

Alaska

Mobile LiDAR Survey – Amtrak Hudson Line
Mobile LiDAR Survey – Amtrak Hudson Line

Poughkeepsie, New York

New Jersey Climate Change Resilience Strategy
New Jersey Climate Change Resilience Strategy

New Jersey

Pennsylvania Turnpike Commission General Consulting Engineer
Pennsylvania Turnpike Commission General Consulting Engineer

Pennsylvania

Colville River Pipeline Crossing
Colville River Pipeline Crossing

Alaska

Milton-Madison Bridge
Milton-Madison Bridge

Milton, Kentucky, to Madison, Indiana

I-55 Reconstruction
I-55 Reconstruction

Jackson, Mississippi

Governor Mario M. Cuomo Bridge (Tappan Zee Bridge)
Governor Mario M. Cuomo Bridge (Tappan Zee Bridge)

Nyack and Tarrytown, New York

Palarm Bridge Replacement
Palarm Bridge Replacement

Highway 365 over Palarm Creek, Pulaski County, Arkansas

Laguna Beach Village Entrance
Laguna Beach Village Entrance

Laguna Beach, California

Washington County Inland Flooding Vulnerability Assessment
Washington County Inland Flooding Vulnerability Assessment

Washington County, Florida

Cold Region Hydrologic and Hydraulic Studies
Cold Region Hydrologic and Hydraulic Studies

Coldfoot, Alaska

Dallas Fort Worth International Airport Asset Data Collection
Dallas Fort Worth International Airport Asset Data Collection

Grapevine, Texas

George Washington Bridge Replacement of ITS Devices
George Washington Bridge Replacement of ITS Devices

Fort Lee, New Jersey

Corridor H
Corridor H

West Virginia

I-94 Maple Grove to Rogers Design-Build Project
I-94 Maple Grove to Rogers Design-Build Project

Hennepin County, Minnesota

East Liberty Transit Center
East Liberty Transit Center

Pittsburgh, Pennsylvania

Cecil Airport - Hangar 935
Cecil Airport - Hangar 935

Jacksonville, Florida

I-81 Improvement Strategy
I-81 Improvement Strategy

Central Pennsylvania

Laguna Canyon Road (State Route 133)
Laguna Canyon Road (State Route 133)

Orange County, California

Development of FHWA’s Bridge Inspection Training Manual
Development of FHWA’s Bridge Inspection Training Manual

Nationwide

Cal Poly Pomona Reverse Osmosis Groundwater Treatment Plant
Cal Poly Pomona Reverse Osmosis Groundwater Treatment Plant

Pomona, California

Padre Dam Municipal Water District – Eastern Service Area Secondary Connection
Padre Dam Municipal Water District – Eastern Service Area Secondary Connection

San Diego County, California

Harrisburg Transportation Center Transit-Oriented Development Master Plan
Harrisburg Transportation Center Transit-Oriented Development Master Plan

Harrisburg, Pennsylvania

NJDOT Pavement Collection and Analysis
NJDOT Pavement Collection and Analysis

Trenton, New Jersey

Howellville Road Bridge Replacement
Howellville Road Bridge Replacement

Tredyffrin Township, Chester County, Pennsylvania

I-43 Hillside Interchange Rehabilitation Project
I-43 Hillside Interchange Rehabilitation Project

Milwaukee, Wisconsin

Hartsfield-Jackson Atlanta International Airport Runway Inspections
Hartsfield-Jackson Atlanta International Airport Runway Inspections

Atlanta, Georgia

Resilient NJ: Local Planning for Climate Change Toolkit
Resilient NJ: Local Planning for Climate Change Toolkit

New Jersey

VA Las Vegas Medical Center
VA Las Vegas Medical Center

Las Vegas, Nevada

Hernando de Soto Bridge Inspections
Hernando de Soto Bridge Inspections

Memphis, Tennessee and West Memphis, Arkansas

U.S. 1 – S. Edisto River Bridge Replacement
U.S. 1 – S. Edisto River Bridge Replacement

Aiken County, South Carolina

Three Sisters Bridges
Three Sisters Bridges

Pittsburgh, Pennsylvania

Landslide Best Practices Handbook
Landslide Best Practices Handbook

Pittsburgh, Pennsylvania

Peachtree Parkway Pedestrian Bridge
Peachtree Parkway Pedestrian Bridge

City of Peachtree Corners, Georgia

Chino Desalters
Chino Desalters

Chino, California

Downtown Redlands Redevelopment
Downtown Redlands Redevelopment

Redlands, California

One Lake – First Floor Renovations
One Lake – First Floor Renovations

Jackson, Mississippi

VTrans 2040 Scenario Analysis
VTrans 2040 Scenario Analysis

Virginia

ARCYBER Headquarters Facility
ARCYBER Headquarters Facility

Fort Gordon, Georgia

Greenfield Bridge
Greenfield Bridge

Pittsburgh, Pennsylvania

Somerset Lake Dam Rehabilitation
Somerset Lake Dam Rehabilitation

Somerset County, Pennsylvania

Caltrans Stormwater Services
Caltrans Stormwater Services

California

New River Gorge Bridge
New River Gorge Bridge

Fayetteville, West Virginia

Mobile River Bridge and Bayway Project
Mobile River Bridge and Bayway Project

Mobile, Alabama

I-880 Northbound Safety and Operational Improvements at 23rd and 29th Avenues
I-880 Northbound Safety and Operational Improvements at 23rd and 29th Avenues

Alameda, California

S.R. 0222, Section 19S Roundabout
S.R. 0222, Section 19S Roundabout

Fleetwood, Pennsylvania

Fuel Cell and Corrosion Hangars
Fuel Cell and Corrosion Hangars

New Mexico

Scioto River Pedestrian Bridge
Scioto River Pedestrian Bridge

Dublin, Ohio

Runway 8R-26L Pavement Replacement
Runway 8R-26L Pavement Replacement

Hartsfield-Jackson Atlanta International Airport, Georgia

Liberty Station
Liberty Station

San Diego, California

U.S. Army Training and Doctrine Command Headquarters
U.S. Army Training and Doctrine Command Headquarters

Fort Eustis, Virginia

Reconstruction of Tillary Street Area
Reconstruction of Tillary Street Area

Brooklyn, New York

Monroe Regional Airport Terminal Improvements
Monroe Regional Airport Terminal Improvements

Monroe, Louisiana

Indoor Data Collection For Improved Airport Operations
Indoor Data Collection For Improved Airport Operations

Hartsfield-Jackson Atlanta International Airport

JTA Complete Streets Program
JTA Complete Streets Program

Jacksonville, Florida

Marblehead Coastal
Marblehead Coastal

San Clemente, California

I-80 and I-215 Renewed Design-Build
I-80 and I-215 Renewed Design-Build

Salt Lake City, Utah

Natural Gas Pipeline Design
Natural Gas Pipeline Design

Cambria County, Pennsylvania

I-79 Missing Ramps
I-79 Missing Ramps

Pittsburgh, Pennsylvania

Trans-Alaska Pipeline
Trans-Alaska Pipeline

Prudhoe Bay to Valdez, Alaska

Runway 8L-26R Pavement Replacement
Runway 8L-26R Pavement Replacement

Hartsfield-Jackson Atlanta International Airport, Georgia

Westchester County Airport Runway 16/34 Rehabilitation
Westchester County Airport Runway 16/34 Rehabilitation

White Plains, New York

Newtown Creek Wastewater Treatment Plant
Newtown Creek Wastewater Treatment Plant

Brooklyn, New York

Chesapeake Bay Water Quality Compliance Support
Chesapeake Bay Water Quality Compliance Support

Chesapeake Bay

I-40/White Oak Crossing Interchange
I-40/White Oak Crossing Interchange

Maumelle, Arkansas

Edwards Air Force Base Dormitory
Edwards Air Force Base Dormitory

Kern County, California

I-5/I-405 El Toro “Y” Interchange
I-5/I-405 El Toro “Y” Interchange

Orange County, California

U.S. 21 Bridge Replacement Over Harbor River
U.S. 21 Bridge Replacement Over Harbor River

Beaufort County, South Carolina

Riverside County Transportation Department Integrated Mitigation Project
Riverside County Transportation Department Integrated Mitigation Project

Riverside County, California

Mountain View Corridor
Mountain View Corridor

West Valley City, Utah

World Market Center
World Market Center

Las Vegas, Nevada

McMurdo Station
McMurdo Station

Antarctica

Taxiway and Runway 9L-27R Replacement
Taxiway and Runway 9L-27R Replacement

Hartsfield-Jackson Atlanta International Airport, Georgia

Runway 18-36 Grade Corrections and Overlay
Runway 18-36 Grade Corrections and Overlay

Magnolia Municipal Airport (AGO), Magnolia, Arkansas

Annapolis ArcGIS Story-Mapping
Annapolis ArcGIS Story-Mapping

Annapolis, Maryland

Brent Spence Bridge Emergency Repairs
Brent Spence Bridge Emergency Repairs

Covington, Kentucky, to Cincinnati, Ohio

Smart Columbus Program Management Services
Smart Columbus Program Management Services

Columbus, Ohio

Route 28/East Ohio Street Corridor
Route 28/East Ohio Street Corridor

Allegheny County, Pennsylvania

US 33 Smart Mobility Corridor Program Management
US 33 Smart Mobility Corridor Program Management

Franklin and Union Counties, Ohio

Armed Forces Reserve Center
Armed Forces Reserve Center

Danbury, Connecticut

Opportunity Corridor Part 3
Opportunity Corridor Part 3

Cleveland, Ohio

I-215/4500 South Bridge Replacement
I-215/4500 South Bridge Replacement

Salt Lake City, Utah

FEMA Community Engagement and Risk Communication Contract
FEMA Community Engagement and Risk Communication Contract

Nationwide

SR 28 Highland Park Interchange Improvement Project
SR 28 Highland Park Interchange Improvement Project

Pittsburgh, Pennsylvania

Urban Development Area Grant Program
Urban Development Area Grant Program

Virginia

Lake Hodges Dam Survey
Lake Hodges Dam Survey

San Diego, California

Customs & Border Protection Advanced Training Center Sustainability Component Plan
Customs & Border Protection Advanced Training Center Sustainability Component Plan

Harpers Ferry, West Virginia

Alaska Gas Pipeline
Alaska Gas Pipeline

Alaska

I-5/La Novia Roundabout
I-5/La Novia Roundabout

San Juan Capistrano, California

I-17 Wrong Way Driver Detection and Warning System Pilot
I-17 Wrong Way Driver Detection and Warning System Pilot

Phoenix, Arizona

Land Between the Lakes Replacement Bridges
Land Between the Lakes Replacement Bridges

Marshall and Trigg Counties, Kentucky

Palmer Station
Palmer Station

Antarctica

Moorman (Bellevue) Rail Yard
Moorman (Bellevue) Rail Yard

Bellevue, Ohio

O'Hare International Runway 10R-28L
O'Hare International Runway 10R-28L

Chicago, Illinois

Sand Canyon Grade Separation
Sand Canyon Grade Separation

Irvine, California

Traffic Signal Asset Management System
Traffic Signal Asset Management System

Pennsylvania

National Museum of the United States Army
National Museum of the United States Army

Fort Belvoir, Virginia

Marquette Interchange Rehabilitation
Marquette Interchange Rehabilitation

Milwaukee, Wisconsin

Vrooman Road Bridge
Vrooman Road Bridge

Lake County, Ohio

Highway 70 Widening
Highway 70 Widening

Benton, Arkansas

Tyndall Air Force Base AE Services
Tyndall Air Force Base AE Services

Tyndall AFB, Panama City, Florida

Manor Expressway
Manor Expressway

Travis County, Texas

FEMA Flood Map Modernization
FEMA Flood Map Modernization

Nationwide

Sherman Minton Bridge Rehabilitation
Sherman Minton Bridge Rehabilitation

New Albany, Indiana, to Louisville, Kentucky

Hernando de Soto Bridge Emergency Repairs
Hernando de Soto Bridge Emergency Repairs

West Memphis, Arkansas, to Memphis, Tennessee

Alaska Energy Security Task Force Report
Alaska Energy Security Task Force Report

Anchorage, Alaska

Daniel Hoan Bridge
Daniel Hoan Bridge

Milwaukee, Wisconsin

Highway 169 Elk River CM/GC Project
Highway 169 Elk River CM/GC Project

Elk River, Minnesota

San Pasqual Undergrounding Project
San Pasqual Undergrounding Project

Escondido, California

Consulting, Engineering and Construction Services for Saudi Arabia
Consulting, Engineering and Construction Services for Saudi Arabia

Kingdom of Saudi Arabia

Hartford Line Station Design
Hartford Line Station Design

New Haven, Connecticut, to Springfield, Massachusetts

Northeast Ohio Regional Airport
Northeast Ohio Regional Airport

Jefferson, Ohio

San Bernardino Community Plans Continuum
San Bernardino Community Plans Continuum

San Bernardino County, California

S.R. 172 (5600 W) Railroad Crossing
S.R. 172 (5600 W) Railroad Crossing

Salt Lake City, Utah

Leucadia 101 Streetscape Project, Phase I
Leucadia 101 Streetscape Project, Phase I

City of Encinatas, California

Blennerhassett Island Bridge
Blennerhassett Island Bridge

Parkersburg, West Virginia

Liberty Power Plant Natural Gas Pipeline
Liberty Power Plant Natural Gas Pipeline

Bradford County, Pennsylvania

Gila River Restoration
Gila River Restoration

Buckeye, Arizona

Rehabilitation of Five High-Hazard Dams
Rehabilitation of Five High-Hazard Dams

Various Locations, Pennsylvania

De Roche Creek Lateral Bridge Slides
De Roche Creek Lateral Bridge Slides

Arkadelphia, Arkansas

Indian Wells Tennis Garden
Indian Wells Tennis Garden

Indian Wells, California

West Point Clinton District Area Development Plan
West Point Clinton District Area Development Plan

West Point, New York

I-280/Route 21 Interchange Improvements
I-280/Route 21 Interchange Improvements

Newark, New Jersey

Aberdeen Public Health Command Lab
Aberdeen Public Health Command Lab

Aberdeen, Maryland

CD5 Pipeline System
CD5 Pipeline System

Alaska

Bella Vista Bypass
Bella Vista Bypass

Benton County, Arkansas

Orange Coast College Recycling Center
Orange Coast College Recycling Center

Costa Mesa, California

Veterans Memorial Bridge
Veterans Memorial Bridge

Steubenville, Ohio, to Weirton, West Virginia

Naugatuck Passenger Rail Station Design and Transit Oriented Development
Naugatuck Passenger Rail Station Design and Transit Oriented Development

Naugatuck, Connecticut

Fulton Road Bridge Replacement
Fulton Road Bridge Replacement

Cleveland, Ohio

U.S. 70 Bridge Over Gallants Channel
U.S. 70 Bridge Over Gallants Channel

Beaufort, North Carolina

Tustin Hangar 1 Emergency Roof Stabilization
Tustin Hangar 1 Emergency Roof Stabilization

Tustin, California

Apple Valley Local Roadway Safety Plan and Town-Wide School Zone Analysis
Apple Valley Local Roadway Safety Plan and Town-Wide School Zone Analysis

Apple Valley, California

I-15 Northbound, 10600 South Interchange
I-15 Northbound, 10600 South Interchange

Salt Lake County, Utah

Joint Operations Center
Joint Operations Center

Fort Meade, Maryland

Talega Master Planned Community
Talega Master Planned Community

San Clemente, California

Sommers Bend Master Planned Community
Sommers Bend Master Planned Community

Temecula, California

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