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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.

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

Rancho Santa Margarita, California

Alaska Gas Pipeline

Alaska

Marquette Interchange Rehabilitation

Milwaukee, Wisconsin

Natural Gas Pipeline Design

Cambria County, Pennsylvania

CalRecycle Inland Fire Wildfire Recovery

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

Urban Development Area Grant Program

Virginia

Trans-Alaska Pipeline

Prudhoe Bay to Valdez, Alaska

Bella Vista Bypass

Benton County, Arkansas

Winona Bridge

Winona, Minnesota

Laguna Canyon Road (State Route 133)

Orange County, California

Moorman (Bellevue) Rail Yard

Bellevue, Ohio

Harrisburg Transportation Center Transit-Oriented Development Master Plan

Harrisburg, Pennsylvania

Newtown Creek Wastewater Treatment Plant

Brooklyn, New York

Blennerhassett Island Bridge

Parkersburg, West Virginia

Marine Corps Base Camp Lejeune Sustainability Services

North Carolina

I-40/White Oak Crossing Interchange

Maumelle, Arkansas

Liberty Power Plant Natural Gas Pipeline

Bradford County, Pennsylvania

Taxiway and Runway 9L-27R Replacement

Hartsfield-Jackson Atlanta International Airport, Georgia

O'Hare International Runway 10R-28L

Chicago, Illinois

PWSA Curb Box Inspection Program

Pittsburgh, Pennsylvania

I-5/La Novia Roundabout

San Juan Capistrano, California

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

Richland, Mississippi, and Florence, Mississippi

Marblehead Coastal

San Clemente, California

Annapolis ArcGIS Story-Mapping

Annapolis, Maryland

Mobile River Bridge and Bayway Project

Mobile, Alabama

Leucadia 101 Streetscape Project, Phase I

City of Encinatas, California

Downtown Redlands Redevelopment

Redlands, California

AT&T West GIS Land Base Creation and Maintenance

California and Nevada

Cuyahoga River Towpath Trail

Cleveland, Ohio

I-17 Wrong Way Driver Detection and Warning System Pilot

Phoenix, Arizona

Northeast Ohio Regional Airport

Jefferson, Ohio

NJDOT Pavement Collection and Analysis

Trenton, New Jersey

Dallas Fort Worth International Airport Asset Data Collection

Grapevine, Texas

Talega Master Planned Community

San Clemente, California

Route 28/East Ohio Street Corridor

Allegheny County, Pennsylvania

Tesoro Water Facilities

Orange County, California

Pennsylvania Turnpike Pavement Condition Inventory

Pennsylvania

Tustin Hangar 1 Emergency Roof Stabilization

Tustin, California

Cal Poly Pomona Reverse Osmosis Groundwater Treatment Plant

Pomona, California

Bus Rapid Transit Traffic Signal Prioritization

Provo-Orem, Utah

Allegheny County Geotechnical Engineering and Right-of-Way Services

Allegheny County, Pennsylvania

Three Sisters Bridges

Pittsburgh, Pennsylvania

Washington County Inland Flooding Vulnerability Assessment

Washington County, Florida

De Roche Creek Lateral Bridge Slides

Arkadelphia, Arkansas

Reconstruction of Tillary Street Area

Brooklyn, New York

Meredith International Centre

Ontario, California

Orange Coast College Recycling Center

Costa Mesa, California

Pyandzh River Bridge

Afghanistan to Tajikistan

I-94 Maple Grove to Rogers Design-Build Project

Hennepin County, Minnesota

Somerset Lake Dam Rehabilitation

Somerset County, Pennsylvania

Navy Gateway Inns and Suites

Naval Station Newport, Rhode Island

Monroe Regional Airport Terminal Improvements

Monroe, Louisiana

Opportunity Corridor Part 3

Cleveland, Ohio

Route 52 Causeway

Somers Point and Ocean City, New Jersey

Ohio Dam Rehabilitations

Ohio

Padre Dam Municipal Water District – Eastern Service Area Secondary Connection

San Diego County, California

New Jersey Climate Change Resilience Strategy

New Jersey

Cecil Airport - Hangar 935

Jacksonville, Florida

Development of AASHTOWare Bridge Design and Rating™ Software

Nationwide

Howellville Road Bridge Replacement

Tredyffrin Township, Chester County, Pennsylvania

Brent Spence Bridge Emergency Repairs

Covington, Kentucky, to Cincinnati, Ohio

Hartford Line Station Design

New Haven, Connecticut, to Springfield, Massachusetts

Pennsylvania Turnpike Commission General Consulting Engineer

Pennsylvania

Palmer Station

Antarctica

Indoor Data Collection For Improved Airport Operations

Hartsfield-Jackson Atlanta International Airport

Mountain View Corridor

West Valley City, Utah

Templeton-Atascadero Pathway

Atascadero, California

VTrans 2040 Scenario Analysis

Virginia

I-35 Planning and Environmental Linkages Study

Austin, Texas

Mobile LiDAR Survey – Amtrak Hudson Line

Poughkeepsie, New York

ARCYBER Headquarters Facility

Fort Gordon, Georgia

I-43 Hillside Interchange Rehabilitation Project

Milwaukee, Wisconsin

CD5 Pipeline System

Alaska

Aberdeen Public Health Command Lab

Aberdeen, Maryland

SEPTA Elwyn to Wawa Restoration Program

Middletown Township, Delaware County, Pennsylvania

Vine Street Expressway

Philadelphia, Pennsylvania

Greenfield Bridge

Pittsburgh, Pennsylvania

Land Between the Lakes Replacement Bridges

Marshall and Trigg Counties, Kentucky

NJ Route 18 Traffic Signal System Contract No. 1

Mercer and Middlesex Counties, New Jersey

King Khalid Air Base

Khamis Mushayt, Saudi Arabia

Antelope Valley Solar Ranch 1

Lancaster, California

I-215/4500 South Bridge Replacement

Salt Lake City, Utah

Hernando de Soto Bridge Emergency Repairs

West Memphis, Arkansas, to Memphis, Tennessee

S.R. 0222, Section 19S Roundabout

Fleetwood, Pennsylvania

I-10 Corridor Express Lanes

San Bernardino County, California

Bangerter Highway Four Interchanges

Salt Lake County, Utah

Edwards Air Force Base Dormitory

Kern County, California

I-10/Jefferson Street Interchange

Indio, California

World Market Center

Las Vegas, Nevada

Chesapeake Bay Water Quality Compliance Support

Chesapeake Bay

Las Vegas City Hall

Las Vegas, Nevada

Dominion Boulevard

Chesapeake, Virginia

Westchester County Airport Runway 16/34 Rehabilitation

White Plains, New York

Lower Hill Development

Pittsburgh, Pennsylvania

West End Bridge – Integrated, Dynamic Message Signs and Lane Control

Pittsburgh, Pennsylvania

Liberty Bridge Emergency Inspection

Pittsburgh, Pennsylvania

Hartsfield-Jackson Atlanta International Airport Runway Inspections

Atlanta, Georgia

Scioto River Pedestrian Bridge

Dublin, Ohio

Lakefront West Corridor

Cleveland, Ohio

Cold Region Hydrologic and Hydraulic Studies

Coldfoot, Alaska

I-55 Reconstruction

Jackson, Mississippi

I-15 Corridor Expansion

Utah County, Utah

U.S. 70 Bridge Over Gallants Channel

Beaufort, North Carolina

I-280/Route 21 Interchange Improvements

Newark, New Jersey

Runway 18-36 Grade Corrections and Overlay

Magnolia Municipal Airport (AGO), Magnolia, Arkansas

Harbor Park Amtrak Rail Station

Norfolk, Virginia

I-81 Improvement Strategy

Central Pennsylvania

CTfastrak

New Britain and Hartford, Connecticut

FEMA Flood Map Modernization

Nationwide

Riverside County Transportation Department Integrated Mitigation Project

Riverside County, California

Avalon Sewer System Rehabilitation and Replacement

Avalon, Catalina Island, California

Amtrak Hudson Line Improvement Program

Albany, New York

Jacksonville Regional Transportation Center at LaVilla

Jacksonville, Florida

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

City of Circleville, Ohio

Corridor H

West Virginia

U.S. 21 Bridge Replacement Over Harbor River

Beaufort County, South Carolina

Scudder Falls Bridge Replacement

Mercer County, New Jersey and Bucks County, Pennsylvania

Smart Columbus Program Management Services

Columbus, Ohio

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

Apple Valley, California

FEMA Community Engagement and Risk Communication Contract

Nationwide

Lake Hodges Dam Survey

San Diego, California

Tyndall Air Force Base AE Services

Tyndall AFB, Panama City, Florida

West Point Clinton District Area Development Plan

West Point, New York

Soka University

Aliso Viejo, California

Ivanpah Solar Electric Generating Facility

San Bernardino County, California

McMurdo Station

Antarctica

I-79 Missing Ramps

Pittsburgh, Pennsylvania

National Museum of the United States Army

Fort Belvoir, Virginia

S.R. 172 (5600 W) Railroad Crossing

Salt Lake City, Utah

One Lake – First Floor Renovations

Jackson, Mississippi

Marshall R. Bowen Pumping Plant

Whittier, California

George Washington Bridge Replacement of ITS Devices

Fort Lee, New Jersey

East Liberty Transit Center

Pittsburgh, Pennsylvania

Fort Lee Lodge

Fort Lee, Virginia

Sommers Bend Master Planned Community

Temecula, California

S.R. 222 Corridor Improvements

Blandon, Pennsylvania

Penn State Autonomous Vehicle Proving Ground

Pennsylvania

Landslide Best Practices Handbook

Pittsburgh, Pennsylvania

Milton-Madison Bridge

Milton, Kentucky, to Madison, Indiana

San Bernardino Community Plans Continuum

San Bernardino County, California

Manor Expressway

Travis County, Texas

JTA Complete Streets Program

Jacksonville, Florida

Alaska Energy Security Task Force Report

Anchorage, Alaska

Highway 70 Widening

Benton, Arkansas

Armed Forces Reserve Center

Danbury, Connecticut

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

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

Traffic Signal Asset Management System

Pennsylvania

Runway 8R-26L Pavement Replacement

Hartsfield-Jackson Atlanta International Airport, Georgia

Western Wake Freeway

Raleigh, North Carolina

San Diego International Airport Terminal 2 Parking Plaza

San Diego, California

Fulton Road Bridge Replacement

Cleveland, Ohio

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

Aiken County, South Carolina

Development of FHWA’s Bridge Inspection Training Manual

Nationwide

VA Las Vegas Medical Center

Las Vegas, Nevada

Liberty Station

San Diego, California

Rehabilitation of Five High-Hazard Dams

Various Locations, Pennsylvania

Veterans Memorial Bridge

Steubenville, Ohio, to Weirton, West Virginia

Nellis Air Force Base (AFB) Simulation Center

Nellis AFB, Nevada

Fuel Cell and Corrosion Hangars

New Mexico

Peachtree Parkway Pedestrian Bridge

City of Peachtree Corners, Georgia

Kaiser Permanente Central San Diego Hospital

San Diego, California

Colville River Pipeline Crossing

Alaska

Consulting, Engineering and Construction Services for Saudi Arabia

Kingdom of Saudi Arabia

US 33 Smart Mobility Corridor Program Management

Franklin and Union Counties, Ohio

Joint Operations Center

Fort Meade, Maryland

Donlin Gold

Alaska

Resilient NJ: Local Planning for Climate Change Toolkit

New Jersey

Sand Canyon Grade Separation

Irvine, California

FDOT State Highway System Resilience Action Plan

Florida

SEPTA – RailWorks and Market Street Elevated Reconstruction Programs

Philadelphia, Pennsylvania

Sherman Minton Bridge Rehabilitation

New Albany, Indiana, to Louisville, Kentucky

I-80 and I-215 Renewed Design-Build

Salt Lake City, Utah

Hernando de Soto Bridge Inspections

Memphis, Tennessee and West Memphis, Arkansas

Eastern Kentucky Bridge Flood Response

Eastern Kentucky

Palarm Bridge Replacement

Highway 365 over Palarm Creek, Pulaski County, Arkansas

The District at South Bay

Carson, California

Naugatuck Passenger Rail Station Design and Transit Oriented Development

Naugatuck, Connecticut

I-80 Structures Replacement

Salt Lake County, Utah

San Pasqual Undergrounding Project

Escondido, California

New River Gorge Bridge

Fayetteville, West Virginia

Laguna Beach Village Entrance

Laguna Beach, California

Governor Mario M. Cuomo Bridge (Tappan Zee Bridge)

Nyack and Tarrytown, New York

Caltrans Stormwater Services

California

Vista Village Trunk Sewer Project

Vista, California

Vrooman Road Bridge

Lake County, Ohio

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

Alameda, California

Chino Desalters

Chino, California

Pomeroy-Mason Cable-Stayed Bridge

Pomeroy, Ohio

Indian Wells Tennis Garden

Indian Wells, California

Runway 8L-26R Pavement Replacement

Hartsfield-Jackson Atlanta International Airport, Georgia

Highway 169 Elk River CM/GC Project

Elk River, Minnesota

Hwy 212 Bayou Derriseaux Structures

Cleveland County, Arkansas

Abraham Lincoln Bridge

Louisville, Kentucky

Customs & Border Protection Advanced Training Center Sustainability Component Plan

Harpers Ferry, West Virginia

Courtland Street Bridge Replacement

Atlanta, Georgia

U.S. Army Training and Doctrine Command Headquarters

Fort Eustis, Virginia

Daniel Hoan Bridge

Milwaukee, Wisconsin

Shackleburg Road Emergency Bridge Replacement

Anderson County, South Carolina

I-5/I-405 El Toro “Y” Interchange

Orange County, California

John James Audubon Bridge

Point Coupee and West Feliciana Parishes, Louisiana

Gila River Restoration

Buckeye, Arizona

CSX Pittsburgh Intermodal Rail Terminal

Pittsburgh, Pennsylvania

I-15 Northbound, 10600 South Interchange

Salt Lake County, Utah

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