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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.

Three Sisters Bridges

Pittsburgh, Pennsylvania

Vine Street Expressway

Philadelphia, Pennsylvania

George Washington Bridge Replacement of ITS Devices

Fort Lee, New Jersey

Sherman Minton Bridge Rehabilitation

New Albany, Indiana, to Louisville, Kentucky

Las Vegas City Hall

Las Vegas, Nevada

Fuel Cell and Corrosion Hangars

New Mexico

Newtown Creek Wastewater Treatment Plant

Brooklyn, New York

Tesoro Water Facilities

Orange County, California

I-10/Jefferson Street Interchange

Indio, California

Northeast Ohio Regional Airport

Jefferson, Ohio

Hernando de Soto Bridge Emergency Repairs

West Memphis, Arkansas, to Memphis, Tennessee

Cuyahoga River Towpath Trail

Cleveland, Ohio

Washington County Inland Flooding Vulnerability Assessment

Washington County, Florida

Mountain View Corridor

West Valley City, Utah

I-280/Route 21 Interchange Improvements

Newark, New Jersey

Pomeroy-Mason Cable-Stayed Bridge

Pomeroy, Ohio

Cal Poly Pomona Reverse Osmosis Groundwater Treatment Plant

Pomona, California

O'Hare International Runway 10R-28L

Chicago, Illinois

Kaiser Permanente Central San Diego Hospital

San Diego, California

Bella Vista Bypass

Benton County, Arkansas

I-17 Wrong Way Driver Detection and Warning System Pilot

Phoenix, Arizona

Somerset Lake Dam Rehabilitation

Somerset County, Pennsylvania

Alaska Gas Pipeline

Alaska

SEPTA – RailWorks and Market Street Elevated Reconstruction Programs

Philadelphia, Pennsylvania

NJDOT Pavement Collection and Analysis

Trenton, New Jersey

I-81 Improvement Strategy

Central Pennsylvania

Scudder Falls Bridge Replacement

Mercer County, New Jersey and Bucks County, Pennsylvania

I-15 Northbound, 10600 South Interchange

Salt Lake County, Utah

Hwy 212 Bayou Derriseaux Structures

Cleveland County, Arkansas

Peachtree Parkway Pedestrian Bridge

City of Peachtree Corners, Georgia

Bus Rapid Transit Traffic Signal Prioritization

Provo-Orem, Utah

U.S. Army Training and Doctrine Command Headquarters

Fort Eustis, Virginia

Rehabilitation of Five High-Hazard Dams

Various Locations, Pennsylvania

Westchester County Airport Runway 16/34 Rehabilitation

White Plains, New York

Lakefront West Corridor

Cleveland, Ohio

Urban Development Area Grant Program

Virginia

Chino Desalters

Chino, California

Opportunity Corridor Part 3

Cleveland, Ohio

Edwards Air Force Base Dormitory

Kern County, California

Abraham Lincoln Bridge

Louisville, Kentucky

I-5/La Novia Roundabout

San Juan Capistrano, California

Reconstruction of Tillary Street Area

Brooklyn, New York

Governor Mario M. Cuomo Bridge (Tappan Zee Bridge)

Nyack and Tarrytown, New York

Development of AASHTOWare Bridge Design and Rating™ Software

Nationwide

Laguna Canyon Road (State Route 133)

Orange County, California

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

Alameda, California

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

Pittsburgh, Pennsylvania

Ohio Dam Rehabilitations

Ohio

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

City of Circleville, Ohio

Palmer Station

Antarctica

Milton-Madison Bridge

Milton, Kentucky, to Madison, Indiana

Greenfield Bridge

Pittsburgh, Pennsylvania

McMurdo Station

Antarctica

West Point Clinton District Area Development Plan

West Point, New York

King Khalid Air Base

Khamis Mushayt, Saudi Arabia

S.R. 222 Corridor Improvements

Blandon, Pennsylvania

World Market Center

Las Vegas, Nevada

SEPTA Elwyn to Wawa Restoration Program

Middletown Township, Delaware County, Pennsylvania

Resilient NJ: Local Planning for Climate Change Toolkit

New Jersey

Meredith International Centre

Ontario, California

S.R. 0222, Section 19S Roundabout

Fleetwood, Pennsylvania

Lower Hill Development

Pittsburgh, Pennsylvania

Marshall R. Bowen Pumping Plant

Whittier, California

Marine Corps Base Camp Lejeune Sustainability Services

North Carolina

I-94 Maple Grove to Rogers Design-Build Project

Hennepin County, Minnesota

The District at South Bay

Carson, California

Navy Gateway Inns and Suites

Naval Station Newport, Rhode Island

Veterans Memorial Bridge

Steubenville, Ohio, to Weirton, West Virginia

Courtland Street Bridge Replacement

Atlanta, Georgia

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

Aiken County, South Carolina

Avalon Sewer System Rehabilitation and Replacement

Avalon, Catalina Island, California

Palarm Bridge Replacement

Highway 365 over Palarm Creek, Pulaski County, Arkansas

Marquette Interchange Rehabilitation

Milwaukee, Wisconsin

I-35 Planning and Environmental Linkages Study

Austin, Texas

Annapolis ArcGIS Story-Mapping

Annapolis, Maryland

Allegheny County Geotechnical Engineering and Right-of-Way Services

Allegheny County, Pennsylvania

Dallas Fort Worth International Airport Asset Data Collection

Grapevine, Texas

CD5 Pipeline System

Alaska

Caltrans Stormwater Services

California

Highway 70 Widening

Benton, Arkansas

Route 52 Causeway

Somers Point and Ocean City, New Jersey

Naugatuck Passenger Rail Station Design and Transit Oriented Development

Naugatuck, Connecticut

Sommers Bend Master Planned Community

Temecula, California

Templeton-Atascadero Pathway

Atascadero, California

Trans-Alaska Pipeline

Prudhoe Bay to Valdez, Alaska

Liberty Bridge Emergency Inspection

Pittsburgh, Pennsylvania

Riverside County Transportation Department Integrated Mitigation Project

Riverside County, California

I-10 Corridor Express Lanes

San Bernardino County, California

I-79 Missing Ramps

Pittsburgh, Pennsylvania

Brent Spence Bridge Emergency Repairs

Covington, Kentucky, to Cincinnati, Ohio

Tyndall Air Force Base AE Services

Tyndall AFB, Panama City, Florida

Amtrak Hudson Line Improvement Program

Albany, New York

Joint Operations Center

Fort Meade, Maryland

I-80 Structures Replacement

Salt Lake County, Utah

Nellis Air Force Base (AFB) Simulation Center

Nellis AFB, Nevada

ARCYBER Headquarters Facility

Fort Gordon, Georgia

Land Between the Lakes Replacement Bridges

Marshall and Trigg Counties, Kentucky

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

National Museum of the United States Army

Fort Belvoir, Virginia

Fulton Road Bridge Replacement

Cleveland, Ohio

Liberty Power Plant Natural Gas Pipeline

Bradford County, Pennsylvania

U.S. 21 Bridge Replacement Over Harbor River

Beaufort County, South Carolina

Runway 8R-26L Pavement Replacement

Hartsfield-Jackson Atlanta International Airport, Georgia

Harbor Park Amtrak Rail Station

Norfolk, Virginia

De Roche Creek Lateral Bridge Slides

Arkadelphia, Arkansas

Donlin Gold

Alaska

VTrans 2040 Scenario Analysis

Virginia

Jacksonville Regional Transportation Center at LaVilla

Jacksonville, Florida

S.R. 172 (5600 W) Railroad Crossing

Salt Lake City, Utah

U.S. 70 Bridge Over Gallants Channel

Beaufort, North Carolina

Downtown Redlands Redevelopment

Redlands, California

Tustin Hangar 1 Emergency Roof Stabilization

Tustin, California

I-215/4500 South Bridge Replacement

Salt Lake City, Utah

I-80 and I-215 Renewed Design-Build

Salt Lake City, Utah

Route 28/East Ohio Street Corridor

Allegheny County, Pennsylvania

Blennerhassett Island Bridge

Parkersburg, West Virginia

I-15 Corridor Expansion

Utah County, Utah

FEMA Community Engagement and Risk Communication Contract

Nationwide

Bangerter Highway Four Interchanges

Salt Lake County, Utah

Indoor Data Collection For Improved Airport Operations

Hartsfield-Jackson Atlanta International Airport

Dominion Boulevard

Chesapeake, Virginia

Development of FHWA’s Bridge Inspection Training Manual

Nationwide

Marblehead Coastal

San Clemente, California

Traffic Signal Asset Management System

Pennsylvania

I-43 Hillside Interchange Rehabilitation Project

Milwaukee, Wisconsin

Ivanpah Solar Electric Generating Facility

San Bernardino County, California

Liberty Station

San Diego, California

NJ Route 18 Traffic Signal System Contract No. 1

Mercer and Middlesex Counties, New Jersey

Leucadia 101 Streetscape Project, Phase I

City of Encinatas, California

I-5/I-405 El Toro “Y” Interchange

Orange County, California

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

Rancho Santa Margarita, California

Vista Village Trunk Sewer Project

Vista, California

Customs & Border Protection Advanced Training Center Sustainability Component Plan

Harpers Ferry, West Virginia

Runway 18-36 Grade Corrections and Overlay

Magnolia Municipal Airport (AGO), Magnolia, Arkansas

Mobile River Bridge and Bayway Project

Mobile, Alabama

Laguna Beach Village Entrance

Laguna Beach, California

Vrooman Road Bridge

Lake County, Ohio

One Lake – First Floor Renovations

Jackson, Mississippi

Hartsfield-Jackson Atlanta International Airport Runway Inspections

Atlanta, Georgia

San Bernardino Community Plans Continuum

San Bernardino County, California

Scioto River Pedestrian Bridge

Dublin, Ohio

Corridor H

West Virginia

I-40/White Oak Crossing Interchange

Maumelle, Arkansas

Highway 169 Elk River CM/GC Project

Elk River, Minnesota

CalRecycle Inland Fire Wildfire Recovery

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

San Pasqual Undergrounding Project

Escondido, California

Monroe Regional Airport Terminal Improvements

Monroe, Louisiana

East Liberty Transit Center

Pittsburgh, Pennsylvania

Cold Region Hydrologic and Hydraulic Studies

Coldfoot, Alaska

Antelope Valley Solar Ranch 1

Lancaster, California

Hartford Line Station Design

New Haven, Connecticut, to Springfield, Massachusetts

Soka University

Aliso Viejo, California

Harrisburg Transportation Center Transit-Oriented Development Master Plan

Harrisburg, Pennsylvania

New River Gorge Bridge

Fayetteville, West Virginia

VA Las Vegas Medical Center

Las Vegas, Nevada

Lake Hodges Dam Survey

San Diego, California

San Diego International Airport Terminal 2 Parking Plaza

San Diego, California

Gila River Restoration

Buckeye, Arizona

US 33 Smart Mobility Corridor Program Management

Franklin and Union Counties, Ohio

Eastern Kentucky Bridge Flood Response

Eastern Kentucky

Landslide Best Practices Handbook

Pittsburgh, Pennsylvania

PWSA Curb Box Inspection Program

Pittsburgh, Pennsylvania

FEMA Flood Map Modernization

Nationwide

Mobile LiDAR Survey – Amtrak Hudson Line

Poughkeepsie, New York

Daniel Hoan Bridge

Milwaukee, Wisconsin

Penn State Autonomous Vehicle Proving Ground

Pennsylvania

Pennsylvania Turnpike Commission General Consulting Engineer

Pennsylvania

Orange Coast College Recycling Center

Costa Mesa, California

Sand Canyon Grade Separation

Irvine, California

Padre Dam Municipal Water District – Eastern Service Area Secondary Connection

San Diego County, California

Pennsylvania Turnpike Pavement Condition Inventory

Pennsylvania

Manor Expressway

Travis County, Texas

JTA Complete Streets Program

Jacksonville, Florida

Smart Columbus Program Management Services

Columbus, Ohio

Colville River Pipeline Crossing

Alaska

John James Audubon Bridge

Point Coupee and West Feliciana Parishes, Louisiana

Western Wake Freeway

Raleigh, North Carolina

Howellville Road Bridge Replacement

Tredyffrin Township, Chester County, Pennsylvania

Talega Master Planned Community

San Clemente, California

I-55 Reconstruction

Jackson, Mississippi

Taxiway and Runway 9L-27R Replacement

Hartsfield-Jackson Atlanta International Airport, Georgia

Consulting, Engineering and Construction Services for Saudi Arabia

Kingdom of Saudi Arabia

Pyandzh River Bridge

Afghanistan to Tajikistan

Winona Bridge

Winona, Minnesota

Shackleburg Road Emergency Bridge Replacement

Anderson County, South Carolina

Chesapeake Bay Water Quality Compliance Support

Chesapeake Bay

Natural Gas Pipeline Design

Cambria County, Pennsylvania

New Jersey Climate Change Resilience Strategy

New Jersey

AT&T West GIS Land Base Creation and Maintenance

California and Nevada

Indian Wells Tennis Garden

Indian Wells, California

CSX Pittsburgh Intermodal Rail Terminal

Pittsburgh, Pennsylvania

Alaska Energy Security Task Force Report

Anchorage, Alaska

Fort Lee Lodge

Fort Lee, Virginia

FDOT State Highway System Resilience Action Plan

Florida

Runway 8L-26R Pavement Replacement

Hartsfield-Jackson Atlanta International Airport, Georgia

CTfastrak

New Britain and Hartford, Connecticut

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

Apple Valley, California

Cecil Airport - Hangar 935

Jacksonville, Florida

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

Richland, Mississippi, and Florence, Mississippi

Moorman (Bellevue) Rail Yard

Bellevue, Ohio

Aberdeen Public Health Command Lab

Aberdeen, Maryland

Hernando de Soto Bridge Inspections

Memphis, Tennessee and West Memphis, Arkansas

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