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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.

Veterans Memorial Bridge

Steubenville, Ohio, to Weirton, West Virginia

Natural Gas Pipeline Design

Cambria County, Pennsylvania

Lower Hill Development

Pittsburgh, Pennsylvania

I-17 Wrong Way Driver Detection and Warning System Pilot

Phoenix, Arizona

Bus Rapid Transit Traffic Signal Prioritization

Provo-Orem, Utah

PWSA Curb Box Inspection Program

Pittsburgh, Pennsylvania

Reconstruction of Tillary Street Area

Brooklyn, New York

Runway 8L-26R Pavement Replacement

Hartsfield-Jackson Atlanta International Airport, Georgia

George Washington Bridge Replacement of ITS Devices

Fort Lee, New Jersey

CSX Pittsburgh Intermodal Rail Terminal

Pittsburgh, Pennsylvania

McMurdo Station

Antarctica

Avalon Sewer System Rehabilitation and Replacement

Avalon, Catalina Island, California

Caltrans Stormwater Services

California

I-35 Planning and Environmental Linkages Study

San Antonio, Texas

Lake Hodges Dam Survey

San Diego, California

Resilient NJ: Local Planning for Climate Change Toolkit

New Jersey

Peachtree Parkway Pedestrian Bridge

City of Peachtree Corners, Georgia

Monroe Regional Airport Terminal Improvements

Monroe, Louisiana

Development of FHWA’s Bridge Inspection Training Manual

Nationwide

Sherman Minton Bridge Rehabilitation

New Albany, Indiana, to Louisville, Kentucky

Laguna Canyon Road (State Route 133)

Orange County, California

I-5/I-405 El Toro “Y” Interchange

Orange County, California

Manor Expressway

Travis County, Texas

S.R. 0222, Section 19S Roundabout

Fleetwood, Pennsylvania

Padre Dam Municipal Water District – Eastern Service Area Secondary Connection

San Diego County, California

I-15 Northbound, 10600 South Interchange

Salt Lake County, Utah

Cal Poly Pomona Reverse Osmosis Groundwater Treatment Plant

Pomona, California

FEMA Flood Map Modernization

Nationwide

Trans-Alaska Pipeline

Prudhoe Bay to Valdez, Alaska

FEMA Community Engagement and Risk Communication Contract

Nationwide

Newtown Creek Wastewater Treatment Plant

Brooklyn, New York

Sommers Bend Master Planned Community

Temecula, California

The District at South Bay

Carson, California

One Lake – First Floor Renovations

Jackson, Mississippi

Bella Vista Bypass

Benton County, Arkansas

Kaiser Permanente Central San Diego Hospital

San Diego, California

Tesoro Water Facilities

Orange County, California

Armed Forces Reserve Center

Danbury, Connecticut

Route 28/East Ohio Street Corridor

Allegheny County, Pennsylvania

Blennerhassett Island Bridge

Parkersburg, West Virginia

Runway 8R-26L Pavement Replacement

Hartsfield-Jackson Atlanta International Airport, Georgia

Highway 169 Elk River CM/GC Project

Elk River, Minnesota

Bangerter Highway Four Interchanges

Salt Lake County, Utah

Annapolis ArcGIS Story-Mapping

Annapolis, Maryland

Vista Village Trunk Sewer Project

Vista, California

Moorman (Bellevue) Rail Yard

Bellevue, Ohio

Highway 70 Widening

Benton, Arkansas

Development of AASHTOWare Bridge Design and Rating™ Software

Nationwide

West Point Clinton District Area Development Plan

West Point, New York

Scudder Falls Bridge Replacement

Mercer County, New Jersey and Bucks County, Pennsylvania

Courtland Street Bridge Replacement

Atlanta, Georgia

Hartford Line Station Design

New Haven, Connecticut, to Springfield, Massachusetts

Vine Street Expressway

Philadelphia, Pennsylvania

San Diego International Airport Terminal 2 Parking Plaza

San Diego, California

Mobile LiDAR Survey – Amtrak Hudson Line

Poughkeepsie, New York

VA Las Vegas Medical Center

Las Vegas, Nevada

I-5/La Novia Roundabout

San Juan Capistrano, California

SEPTA – RailWorks and Market Street Elevated Reconstruction Programs

Philadelphia, Pennsylvania

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

Alameda, California

Ivanpah Solar Electric Generating Facility

San Bernardino County, California

Donlin Gold

Alaska

World Market Center

Las Vegas, Nevada

Harrisburg Transportation Center Transit-Oriented Development Master Plan

Harrisburg, Pennsylvania

Liberty Station

San Diego, California

Howellville Road Bridge Replacement

Tredyffrin Township, Chester County, Pennsylvania

Marblehead Coastal

San Clemente, California

Governor Mario M. Cuomo Bridge (Tappan Zee Bridge)

Nyack and Tarrytown, New York

Taxiway and Runway 9L-27R Replacement

Hartsfield-Jackson Atlanta International Airport, Georgia

Harbor Park Amtrak Rail Station

Norfolk, Virginia

Winona Bridge

Winona, Minnesota

NJ Route 18 Traffic Signal System Contract No. 1

Mercer and Middlesex Counties, New Jersey

Pomeroy-Mason Cable-Stayed Bridge

Pomeroy, Ohio

Templeton-Atascadero Pathway

Atascadero, California

Amtrak Hudson Line Improvement Program

Albany, New York

Dallas Fort Worth International Airport Asset Data Collection

Grapevine, Texas

U.S. Army Training and Doctrine Command Headquarters

Fort Eustis, Virginia

I-10/Jefferson Street Interchange

Indio, California

Hernando de Soto Bridge Inspections

Memphis, Tennessee and West Memphis, Arkansas

Daniel Hoan Bridge

Milwaukee, Wisconsin

King Khalid Air Base

Khamis Mushayt, Saudi Arabia

Marshall R. Bowen Pumping Plant

Whittier, California

Aberdeen Public Health Command Lab

Aberdeen, Maryland

Penn State Autonomous Vehicle Proving Ground

Pennsylvania

Hartsfield-Jackson Atlanta International Airport Runway Inspections

Atlanta, Georgia

Fulton Road Bridge Replacement

Cleveland, Ohio

Liberty Bridge Emergency Inspection

Pittsburgh, Pennsylvania

Edwards Air Force Base Dormitory

Kern County, California

Hernando de Soto Bridge Emergency Repairs

West Memphis, Arkansas, to Memphis, Tennessee

Soka University

Aliso Viejo, California

Land Between the Lakes Replacement Bridges

Marshall and Trigg Counties, Kentucky

Orange Coast College Recycling Center

Costa Mesa, California

AT&T West GIS Land Base Creation and Maintenance

California and Nevada

Consulting, Engineering and Construction Services for Saudi Arabia

Kingdom of Saudi Arabia

Colville River Pipeline Crossing

Alaska

Navy Gateway Inns and Suites

Naval Station Newport, Rhode Island

Abraham Lincoln Bridge

Louisville, Kentucky

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

Pittsburgh, Pennsylvania

East Liberty Transit Center

Pittsburgh, Pennsylvania

I-55 Reconstruction

Jackson, Mississippi

CTfastrak

New Britain and Hartford, Connecticut

Marquette Interchange Rehabilitation

Milwaukee, Wisconsin

Riverside County Transportation Department Integrated Mitigation Project

Riverside County, California

Palarm Bridge Replacement

Highway 365 over Palarm Creek, Pulaski County, Arkansas

Downtown Redlands Redevelopment

Redlands, California

Antelope Valley Solar Ranch 1

Lancaster, California

Cold Region Hydrologic and Hydraulic Studies

Coldfoot, Alaska

Lakefront West Corridor

Cleveland, Ohio

Urban Development Area Grant Program

Virginia

Customs & Border Protection Advanced Training Center Sustainability Component Plan

Harpers Ferry, West Virginia

Three Sisters Bridges

Pittsburgh, Pennsylvania

I-94 Maple Grove to Rogers Design-Build Project

Maple Grove, Minnesota

Scioto River Pedestrian Bridge

Dublin, Ohio

Alaska Gas Pipeline

Alaska

John James Audubon Bridge

Point Coupee and West Feliciana Parishes, Louisiana

Pennsylvania Turnpike Pavement Condition Inventory

Pennsylvania

Chino Desalters

Chino, California

Fuel Cell and Corrosion Hangars

New Mexico

Pyandzh River Bridge

Afghanistan to Tajikistan

Meredith International Centre

Ontario, California

Indian Wells Tennis Garden

Indian Wells, California

New River Gorge Bridge

Fayetteville, West Virginia

Marine Corps Base Camp Lejeune Sustainability Services

North Carolina

Fort Lee Lodge

Fort Lee, Virginia

Vrooman Road Bridge

Lake County, Ohio

O'Hare International Runway 10R-28L

Chicago, Illinois

NJDOT Pavement Collection and Analysis

Trenton, New Jersey

I-215/4500 South Bridge Replacement

Salt Lake City, Utah

Dominion Boulevard

Chesapeake, Virginia

Mountain View Corridor

West Valley City, Utah

ARCYBER Headquarters Facility

Fort Gordon, Georgia

National Museum of the United States Army

Fort Belvoir, Virginia

Nellis Air Force Base (AFB) Simulation Center

Nellis AFB, Nevada

Chesapeake Bay Water Quality Compliance Support

Chesapeake Bay

Jacksonville Regional Transportation Center at LaVilla

Jacksonville, Florida

Smart Columbus Program Management Services

Columbus, Ohio

US-33 Smart Mobility Corridor Program Management

Columbus, Ohio

Merritt Island Runway Safety Area Compliance and Shoreline Stabilization

Merritt Island, Florida

Cuyahoga River Towpath Trail

Cleveland, Ohio

I-79 Missing Ramps

Pittsburgh, Pennsylvania

Milton-Madison Bridge

Milton, Kentucky, to Madison, Indiana

Joint Operations Center

Fort Meade, Maryland

I-80 Structures Replacement

Salt Lake County, Utah

Cecil Airport - Hangar 935

Jacksonville, Florida

VTrans 2040 Scenario Analysis

Virginia

JTA Complete Streets Program

Jacksonville, Florida

Palmer Station

Antarctica

Tustin Hangar 1 Emergency Roof Stabilization

Tustin, California

San Bernardino Community Plans Continuum

San Bernardino County, California

Sand Canyon Grade Separation

Irvine, California

I-10 Corridor Express Lanes

San Bernardino County, California

Traffic Signal Asset Management System

Pennsylvania

I-15 Corridor Expansion

Utah County, Utah

Laguna Beach Village Entrance

Laguna Beach, California

Brent Spence Bridge Emergency Repairs

Covington, Kentucky, to Cincinnati, Ohio

CD5 Pipeline System

Alaska

U.S. 70 Bridge Over Gallants Channel

Beaufort, North Carolina

Talega Master Planned Community

San Clemente, California

Greenfield Bridge

Pittsburgh, Pennsylvania

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

Rancho Santa Margarita, California

Las Vegas City Hall

Las Vegas, Nevada

U.S. 21 Bridge Replacement Over Harbor River

Beaufort County, South Carolina

Westchester County Airport Runway 16/34 Rehabilitation

White Plains, New York

Ohio Dam Rehabilitations

Ohio

Northeast Ohio Regional Airport

Jefferson, Ohio

Gila River Restoration

Buckeye, Arizona

Western Wake Freeway

Raleigh, North Carolina

Pennsylvania Turnpike Commission General Consulting Engineer

Pennsylvania

Corridor H

West Virginia

Route 52 Causeway

Somers Point and Ocean City, New Jersey

I-40/White Oak Crossing Interchange

Maumelle, Arkansas

Liberty Power Plant Natural Gas Pipeline

Bradford County, Pennsylvania

I-280/Route 21 Interchange Improvements

Newark, New Jersey

New Jersey Climate Change Resilience Strategy

New Jersey

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