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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.

Land Between the Lakes Replacement Bridges

Marshall and Trigg Counties, Kentucky

Hartford Line Station Design

New Haven, Connecticut, to Springfield, Massachusetts

Hwy 212 Bayou Derriseaux Structures

Cleveland County, Arkansas

Corridor H

West Virginia

Hernando de Soto Bridge Emergency Repairs

West Memphis, Arkansas, to Memphis, Tennessee

Vista Village Trunk Sewer Project

Vista, California

Dallas Fort Worth International Airport Asset Data Collection

Grapevine, Texas

Downtown Redlands Redevelopment

Redlands, California

U.S. 70 Bridge Over Gallants Channel

Beaufort, North Carolina

Ivanpah Solar Electric Generating Facility

San Bernardino County, California

Marblehead Coastal

San Clemente, California

Sherman Minton Bridge Rehabilitation

New Albany, Indiana, to Louisville, Kentucky

Scudder Falls Bridge Replacement

Mercer County, New Jersey and Bucks County, Pennsylvania

Somerset Lake Dam Rehabilitation

Somerset County, Pennsylvania

I-55 Reconstruction

Jackson, Mississippi

CalRecycle Inland Fire Wildfire Recovery

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

PWSA Curb Box Inspection Program

Pittsburgh, Pennsylvania

Riverside County Transportation Department Integrated Mitigation Project

Riverside County, California

FEMA Flood Map Modernization

Nationwide

Hartsfield-Jackson Atlanta International Airport Runway Inspections

Atlanta, Georgia

Bus Rapid Transit Traffic Signal Prioritization

Provo-Orem, Utah

I-215/4500 South Bridge Replacement

Salt Lake City, Utah

Lakefront West Corridor

Cleveland, Ohio

Donlin Gold

Alaska

Palmer Station

Antarctica

Greenfield Bridge

Pittsburgh, Pennsylvania

Penn State Autonomous Vehicle Proving Ground

Pennsylvania

Lower Hill Development

Pittsburgh, Pennsylvania

Aberdeen Public Health Command Lab

Aberdeen, Maryland

Ohio Dam Rehabilitations

Ohio

Tyndall Air Force Base AE Services

Tyndall AFB, Panama City, Florida

Development of AASHTOWare Bridge Design and Rating™ Software

Nationwide

Naugatuck Passenger Rail Station Design and Transit Oriented Development

Naugatuck, Connecticut

Chino Desalters

Chino, California

The District at South Bay

Carson, California

Western Wake Freeway

Raleigh, North Carolina

Smart Columbus Program Management Services

Columbus, Ohio

Navy Gateway Inns and Suites

Naval Station Newport, Rhode Island

McMurdo Station

Antarctica

Cold Region Hydrologic and Hydraulic Studies

Coldfoot, Alaska

ARCYBER Headquarters Facility

Fort Gordon, Georgia

Colville River Pipeline Crossing

Alaska

Highway 169 Elk River CM/GC Project

Elk River, Minnesota

Three Sisters Bridges

Pittsburgh, Pennsylvania

Annapolis ArcGIS Story-Mapping

Annapolis, Maryland

NJDOT Pavement Collection and Analysis

Trenton, New Jersey

Route 28/East Ohio Street Corridor

Allegheny County, Pennsylvania

Harbor Park Amtrak Rail Station

Norfolk, Virginia

Opportunity Corridor Part 3

Cleveland, Ohio

S.R. 172 (5600 W) Railroad Crossing

Salt Lake City, Utah

Laguna Beach Village Entrance

Laguna Beach, California

FDOT State Highway System Resilience Action Plan

Florida

I-15 Corridor Expansion

Utah County, Utah

Las Vegas City Hall

Las Vegas, Nevada

SEPTA – RailWorks and Market Street Elevated Reconstruction Programs

Philadelphia, Pennsylvania

JTA Complete Streets Program

Jacksonville, Florida

Bella Vista Bypass

Benton County, Arkansas

Howellville Road Bridge Replacement

Tredyffrin Township, Chester County, Pennsylvania

Highway 70 Widening

Benton, Arkansas

Indian Wells Tennis Garden

Indian Wells, California

Harrisburg Transportation Center Transit-Oriented Development Master Plan

Harrisburg, Pennsylvania

Washington County Inland Flooding Vulnerability Assessment

Washington County, Florida

Daniel Hoan Bridge

Milwaukee, Wisconsin

I-43 Hillside Interchange Rehabilitation Project

Milwaukee, Wisconsin

Mobile River Bridge and Bayway Project

Mobile, Alabama

Edwards Air Force Base Dormitory

Kern County, California

Alaska Gas Pipeline

Alaska

Mountain View Corridor

West Valley City, Utah

Eastern Kentucky Bridge Flood Response

Eastern Kentucky

AT&T West GIS Land Base Creation and Maintenance

California and Nevada

Manor Expressway

Travis County, Texas

Sommers Bend Master Planned Community

Temecula, California

Rehabilitation of Five High-Hazard Dams

Various Locations, Pennsylvania

Chesapeake Bay Water Quality Compliance Support

Chesapeake Bay

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

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

Veterans Memorial Bridge

Steubenville, Ohio, to Weirton, West Virginia

Avalon Sewer System Rehabilitation and Replacement

Avalon, Catalina Island, California

Armed Forces Reserve Center

Danbury, Connecticut

VTrans 2040 Scenario Analysis

Virginia

I-5/I-405 El Toro “Y” Interchange

Orange County, California

One Lake – First Floor Renovations

Jackson, Mississippi

Peachtree Parkway Pedestrian Bridge

City of Peachtree Corners, Georgia

Marquette Interchange Rehabilitation

Milwaukee, Wisconsin

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

Richland, Mississippi, and Florence, Mississippi

Vine Street Expressway

Philadelphia, Pennsylvania

Runway 8L-26R Pavement Replacement

Hartsfield-Jackson Atlanta International Airport, Georgia

King Khalid Air Base

Khamis Mushayt, Saudi Arabia

Liberty Station

San Diego, California

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

Apple Valley, California

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

Alameda, California

Tesoro Water Facilities

Orange County, California

Development of FHWA’s Bridge Inspection Training Manual

Nationwide

Cal Poly Pomona Reverse Osmosis Groundwater Treatment Plant

Pomona, California

Monroe Regional Airport Terminal Improvements

Monroe, Louisiana

Marine Corps Base Camp Lejeune Sustainability Services

North Carolina

Padre Dam Municipal Water District – Eastern Service Area Secondary Connection

San Diego County, California

VA Las Vegas Medical Center

Las Vegas, Nevada

CD5 Pipeline System

Alaska

Hernando de Soto Bridge Inspections

Memphis, Tennessee and West Memphis, Arkansas

NJ Route 18 Traffic Signal System Contract No. 1

Mercer and Middlesex Counties, New Jersey

Caltrans Stormwater Services

California

Palarm Bridge Replacement

Highway 365 over Palarm Creek, Pulaski County, Arkansas

San Diego International Airport Terminal 2 Parking Plaza

San Diego, California

I-10 Corridor Express Lanes

San Bernardino County, California

Pomeroy-Mason Cable-Stayed Bridge

Pomeroy, Ohio

Scioto River Pedestrian Bridge

Dublin, Ohio

Soka University

Aliso Viejo, California

Governor Mario M. Cuomo Bridge (Tappan Zee Bridge)

Nyack and Tarrytown, New York

John James Audubon Bridge

Point Coupee and West Feliciana Parishes, Louisiana

Route 52 Causeway

Somers Point and Ocean City, New Jersey

Natural Gas Pipeline Design

Cambria County, Pennsylvania

Allegheny County Geotechnical Engineering and Right-of-Way Services

Allegheny County, Pennsylvania

U.S. Army Training and Doctrine Command Headquarters

Fort Eustis, Virginia

Kaiser Permanente Central San Diego Hospital

San Diego, California

Consulting, Engineering and Construction Services for Saudi Arabia

Kingdom of Saudi Arabia

Abraham Lincoln Bridge

Louisville, Kentucky

I-80 and I-215 Renewed Design-Build

Salt Lake City, Utah

George Washington Bridge Replacement of ITS Devices

Fort Lee, New Jersey

S.R. 222 Corridor Improvements

Blandon, Pennsylvania

Fulton Road Bridge Replacement

Cleveland, Ohio

Customs & Border Protection Advanced Training Center Sustainability Component Plan

Harpers Ferry, West Virginia

I-17 Wrong Way Driver Detection and Warning System Pilot

Phoenix, Arizona

Fuel Cell and Corrosion Hangars

New Mexico

I-80 Structures Replacement

Salt Lake County, Utah

Mobile LiDAR Survey – Amtrak Hudson Line

Poughkeepsie, New York

Shackleburg Road Emergency Bridge Replacement

Anderson County, South Carolina

I-10/Jefferson Street Interchange

Indio, California

Liberty Power Plant Natural Gas Pipeline

Bradford County, Pennsylvania

Lake Hodges Dam Survey

San Diego, California

Traffic Signal Asset Management System

Pennsylvania

Alaska Energy Security Task Force Report

Anchorage, Alaska

Laguna Canyon Road (State Route 133)

Orange County, California

I-81 Improvement Strategy

Central Pennsylvania

I-40/White Oak Crossing Interchange

Maumelle, Arkansas

Talega Master Planned Community

San Clemente, California

Blennerhassett Island Bridge

Parkersburg, West Virginia

CSX Pittsburgh Intermodal Rail Terminal

Pittsburgh, Pennsylvania

Sand Canyon Grade Separation

Irvine, California

Northeast Ohio Regional Airport

Jefferson, Ohio

Joint Operations Center

Fort Meade, Maryland

FEMA Community Engagement and Risk Communication Contract

Nationwide

Amtrak Hudson Line Improvement Program

Albany, New York

I-35 Planning and Environmental Linkages Study

Austin, Texas

Indoor Data Collection For Improved Airport Operations

Hartsfield-Jackson Atlanta International Airport

Runway 8R-26L Pavement Replacement

Hartsfield-Jackson Atlanta International Airport, Georgia

De Roche Creek Lateral Bridge Slides

Arkadelphia, Arkansas

World Market Center

Las Vegas, Nevada

U.S. 21 Bridge Replacement Over Harbor River

Beaufort County, South Carolina

East Liberty Transit Center

Pittsburgh, Pennsylvania

Trans-Alaska Pipeline

Prudhoe Bay to Valdez, Alaska

Fort Lee Lodge

Fort Lee, Virginia

New River Gorge Bridge

Fayetteville, West Virginia

Taxiway and Runway 9L-27R Replacement

Hartsfield-Jackson Atlanta International Airport, Georgia

Landslide Best Practices Handbook

Pittsburgh, Pennsylvania

I-15 Northbound, 10600 South Interchange

Salt Lake County, Utah

Winona Bridge

Winona, Minnesota

S.R. 0222, Section 19S Roundabout

Fleetwood, Pennsylvania

Pennsylvania Turnpike Pavement Condition Inventory

Pennsylvania

San Bernardino Community Plans Continuum

San Bernardino County, California

Nellis Air Force Base (AFB) Simulation Center

Nellis AFB, Nevada

I-5/La Novia Roundabout

San Juan Capistrano, California

Moorman (Bellevue) Rail Yard

Bellevue, Ohio

SR 28 Highland Park Interchange Improvement Project

Pittsburgh, Pennsylvania

Pyandzh River Bridge

Afghanistan to Tajikistan

Meredith International Centre

Ontario, California

Liberty Bridge Emergency Inspection

Pittsburgh, Pennsylvania

West Point Clinton District Area Development Plan

West Point, New York

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

Rancho Santa Margarita, California

Gila River Restoration

Buckeye, Arizona

Milton-Madison Bridge

Milton, Kentucky, to Madison, Indiana

Cuyahoga River Towpath Trail

Cleveland, Ohio

CTfastrak

New Britain and Hartford, Connecticut

SEPTA Elwyn to Wawa Restoration Program

Middletown Township, Delaware County, Pennsylvania

I-94 Maple Grove to Rogers Design-Build Project

Hennepin County, Minnesota

Tustin Hangar 1 Emergency Roof Stabilization

Tustin, California

Resilient NJ: Local Planning for Climate Change Toolkit

New Jersey

Reconstruction of Tillary Street Area

Brooklyn, New York

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

Aiken County, South Carolina

Templeton-Atascadero Pathway

Atascadero, California

Bangerter Highway Four Interchanges

Salt Lake County, Utah

Pennsylvania Turnpike Commission General Consulting Engineer

Pennsylvania

Runway 18-36 Grade Corrections and Overlay

Magnolia Municipal Airport (AGO), Magnolia, Arkansas

US 33 Smart Mobility Corridor Program Management

Franklin and Union Counties, Ohio

I-79 Missing Ramps

Pittsburgh, Pennsylvania

National Museum of the United States Army

Fort Belvoir, Virginia

Dominion Boulevard

Chesapeake, Virginia

Brent Spence Bridge Emergency Repairs

Covington, Kentucky, to Cincinnati, Ohio

San Pasqual Undergrounding Project

Escondido, California

Orange Coast College Recycling Center

Costa Mesa, California

Vrooman Road Bridge

Lake County, Ohio

O'Hare International Runway 10R-28L

Chicago, Illinois

Antelope Valley Solar Ranch 1

Lancaster, California

Westchester County Airport Runway 16/34 Rehabilitation

White Plains, New York

Leucadia 101 Streetscape Project, Phase I

City of Encinatas, California

I-280/Route 21 Interchange Improvements

Newark, New Jersey

Courtland Street Bridge Replacement

Atlanta, Georgia

New Jersey Climate Change Resilience Strategy

New Jersey

Newtown Creek Wastewater Treatment Plant

Brooklyn, New York

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

City of Circleville, Ohio

Cecil Airport - Hangar 935

Jacksonville, Florida

Marshall R. Bowen Pumping Plant

Whittier, California

Jacksonville Regional Transportation Center at LaVilla

Jacksonville, Florida

Urban Development Area Grant Program

Virginia

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