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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.

I-5/I-405 El Toro “Y” Interchange

Orange County, California

Fuel Cell and Corrosion Hangars

New Mexico

Consulting, Engineering and Construction Services for Saudi Arabia

Kingdom of Saudi Arabia

Traffic Signal Asset Management System

Pennsylvania

Hernando de Soto Bridge Inspections

Memphis, Tennessee and West Memphis, Arkansas

Pyandzh River Bridge

Afghanistan to Tajikistan

Kaiser Permanente Central San Diego Hospital

San Diego, California

Ohio Dam Rehabilitations

Ohio

San Bernardino Community Plans Continuum

San Bernardino County, California

Runway 8L-26R Pavement Replacement

Hartsfield-Jackson Atlanta International Airport, Georgia

Cold Region Hydrologic and Hydraulic Studies

Coldfoot, Alaska

National Museum of the United States Army

Fort Belvoir, Virginia

Hwy 212 Bayou Derriseaux Structures

Cleveland County, Arkansas

Palmer Station

Antarctica

The District at South Bay

Carson, California

New River Gorge Bridge

Fayetteville, West Virginia

Pomeroy-Mason Cable-Stayed Bridge

Pomeroy, Ohio

Newtown Creek Wastewater Treatment Plant

Brooklyn, New York

Three Sisters Bridges

Pittsburgh, Pennsylvania

Marine Corps Base Camp Lejeune Sustainability Services

North Carolina

I-40/White Oak Crossing Interchange

Maumelle, Arkansas

Donlin Gold

Alaska

Downtown Redlands Redevelopment

Redlands, California

Liberty Power Plant Natural Gas Pipeline

Bradford County, Pennsylvania

Bangerter Highway Four Interchanges

Salt Lake County, Utah

Scioto River Pedestrian Bridge

Dublin, Ohio

Cuyahoga River Towpath Trail

Cleveland, Ohio

Land Between the Lakes Replacement Bridges

Marshall and Trigg Counties, Kentucky

I-10 Corridor Express Lanes

San Bernardino County, California

Courtland Street Bridge Replacement

Atlanta, Georgia

Bella Vista Bypass

Benton County, Arkansas

I-80 and I-215 Renewed Design-Build

Salt Lake City, Utah

Edwards Air Force Base Dormitory

Kern County, California

Tyndall Air Force Base AE Services

Tyndall AFB, Panama City, Florida

Naugatuck Passenger Rail Station Design and Transit Oriented Development

Naugatuck, Connecticut

FEMA Flood Map Modernization

Nationwide

Taxiway and Runway 9L-27R Replacement

Hartsfield-Jackson Atlanta International Airport, Georgia

Daniel Hoan Bridge

Milwaukee, Wisconsin

Orange Coast College Recycling Center

Costa Mesa, California

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

Richland, Mississippi, and Florence, Mississippi

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

Apple Valley, California

Runway 8R-26L Pavement Replacement

Hartsfield-Jackson Atlanta International Airport, Georgia

Sand Canyon Grade Separation

Irvine, California

I-94 Maple Grove to Rogers Design-Build Project

Hennepin County, Minnesota

Governor Mario M. Cuomo Bridge (Tappan Zee Bridge)

Nyack and Tarrytown, New York

Opportunity Corridor Part 3

Cleveland, Ohio

I-15 Northbound, 10600 South Interchange

Salt Lake County, Utah

Somerset Lake Dam Rehabilitation

Somerset County, Pennsylvania

Mobile LiDAR Survey – Amtrak Hudson Line

Poughkeepsie, New York

PWSA Curb Box Inspection Program

Pittsburgh, Pennsylvania

I-55 Reconstruction

Jackson, Mississippi

U.S. 21 Bridge Replacement Over Harbor River

Beaufort County, South Carolina

Corridor H

West Virginia

San Diego International Airport Terminal 2 Parking Plaza

San Diego, California

Marshall R. Bowen Pumping Plant

Whittier, California

Hernando de Soto Bridge Emergency Repairs

West Memphis, Arkansas, to Memphis, Tennessee

US 33 Smart Mobility Corridor Program Management

Franklin and Union Counties, Ohio

Fulton Road Bridge Replacement

Cleveland, Ohio

Route 28/East Ohio Street Corridor

Allegheny County, Pennsylvania

Penn State Autonomous Vehicle Proving Ground

Pennsylvania

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

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

Natural Gas Pipeline Design

Cambria County, Pennsylvania

JTA Complete Streets Program

Jacksonville, Florida

VTrans 2040 Scenario Analysis

Virginia

Aberdeen Public Health Command Lab

Aberdeen, Maryland

I-15 Corridor Expansion

Utah County, Utah

Reconstruction of Tillary Street Area

Brooklyn, New York

Milton-Madison Bridge

Milton, Kentucky, to Madison, Indiana

Sommers Bend Master Planned Community

Temecula, California

I-43 Hillside Interchange Rehabilitation Project

Milwaukee, Wisconsin

Customs & Border Protection Advanced Training Center Sustainability Component Plan

Harpers Ferry, West Virginia

SEPTA Elwyn to Wawa Restoration Program

Middletown Township, Delaware County, Pennsylvania

New Jersey Climate Change Resilience Strategy

New Jersey

Las Vegas City Hall

Las Vegas, Nevada

Moorman (Bellevue) Rail Yard

Bellevue, Ohio

Liberty Station

San Diego, California

S.R. 222 Corridor Improvements

Blandon, Pennsylvania

Joint Operations Center

Fort Meade, Maryland

I-80 Structures Replacement

Salt Lake County, Utah

Ivanpah Solar Electric Generating Facility

San Bernardino County, California

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

City of Circleville, Ohio

Dominion Boulevard

Chesapeake, Virginia

Peachtree Parkway Pedestrian Bridge

City of Peachtree Corners, Georgia

Manor Expressway

Travis County, Texas

NJ Route 18 Traffic Signal System Contract No. 1

Mercer and Middlesex Counties, New Jersey

I-5/La Novia Roundabout

San Juan Capistrano, California

CTfastrak

New Britain and Hartford, Connecticut

Resilient NJ: Local Planning for Climate Change Toolkit

New Jersey

Fort Lee Lodge

Fort Lee, Virginia

West Point Clinton District Area Development Plan

West Point, New York

Northeast Ohio Regional Airport

Jefferson, Ohio

Pennsylvania Turnpike Pavement Condition Inventory

Pennsylvania

Development of AASHTOWare Bridge Design and Rating™ Software

Nationwide

Bus Rapid Transit Traffic Signal Prioritization

Provo-Orem, Utah

Winona Bridge

Winona, Minnesota

Liberty Bridge Emergency Inspection

Pittsburgh, Pennsylvania

Chino Desalters

Chino, California

Hartsfield-Jackson Atlanta International Airport Runway Inspections

Atlanta, Georgia

One Lake – First Floor Renovations

Jackson, Mississippi

McMurdo Station

Antarctica

Marquette Interchange Rehabilitation

Milwaukee, Wisconsin

CalRecycle Inland Fire Wildfire Recovery

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

Mountain View Corridor

West Valley City, Utah

Monroe Regional Airport Terminal Improvements

Monroe, Louisiana

Development of FHWA’s Bridge Inspection Training Manual

Nationwide

Nellis Air Force Base (AFB) Simulation Center

Nellis AFB, Nevada

Armed Forces Reserve Center

Danbury, Connecticut

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

Rancho Santa Margarita, California

Indoor Data Collection For Improved Airport Operations

Hartsfield-Jackson Atlanta International Airport

Mobile River Bridge and Bayway Project

Mobile, Alabama

Lower Hill Development

Pittsburgh, Pennsylvania

Alaska Energy Security Task Force Report

Anchorage, Alaska

Templeton-Atascadero Pathway

Atascadero, California

AT&T West GIS Land Base Creation and Maintenance

California and Nevada

Leucadia 101 Streetscape Project, Phase I

City of Encinatas, California

Harrisburg Transportation Center Transit-Oriented Development Master Plan

Harrisburg, Pennsylvania

CSX Pittsburgh Intermodal Rail Terminal

Pittsburgh, Pennsylvania

Trans-Alaska Pipeline

Prudhoe Bay to Valdez, Alaska

Highway 169 Elk River CM/GC Project

Elk River, Minnesota

Tesoro Water Facilities

Orange County, California

Cal Poly Pomona Reverse Osmosis Groundwater Treatment Plant

Pomona, California

George Washington Bridge Replacement of ITS Devices

Fort Lee, New Jersey

I-81 Improvement Strategy

Central Pennsylvania

Laguna Beach Village Entrance

Laguna Beach, California

ARCYBER Headquarters Facility

Fort Gordon, Georgia

FDOT State Highway System Resilience Action Plan

Florida

Vine Street Expressway

Philadelphia, Pennsylvania

De Roche Creek Lateral Bridge Slides

Arkadelphia, Arkansas

Brent Spence Bridge Emergency Repairs

Covington, Kentucky, to Cincinnati, Ohio

Abraham Lincoln Bridge

Louisville, Kentucky

Blennerhassett Island Bridge

Parkersburg, West Virginia

Vrooman Road Bridge

Lake County, Ohio

Smart Columbus Program Management Services

Columbus, Ohio

I-215/4500 South Bridge Replacement

Salt Lake City, Utah

Cecil Airport - Hangar 935

Jacksonville, Florida

Vista Village Trunk Sewer Project

Vista, California

East Liberty Transit Center

Pittsburgh, Pennsylvania

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

Aiken County, South Carolina

U.S. 70 Bridge Over Gallants Channel

Beaufort, North Carolina

Route 52 Causeway

Somers Point and Ocean City, New Jersey

Palarm Bridge Replacement

Highway 365 over Palarm Creek, Pulaski County, Arkansas

Dallas Fort Worth International Airport Asset Data Collection

Grapevine, Texas

S.R. 172 (5600 W) Railroad Crossing

Salt Lake City, Utah

Runway 18-36 Grade Corrections and Overlay

Magnolia Municipal Airport (AGO), Magnolia, Arkansas

CD5 Pipeline System

Alaska

King Khalid Air Base

Khamis Mushayt, Saudi Arabia

Riverside County Transportation Department Integrated Mitigation Project

Riverside County, California

Howellville Road Bridge Replacement

Tredyffrin Township, Chester County, Pennsylvania

I-17 Wrong Way Driver Detection and Warning System Pilot

Phoenix, Arizona

Colville River Pipeline Crossing

Alaska

Gila River Restoration

Buckeye, Arizona

Hartford Line Station Design

New Haven, Connecticut, to Springfield, Massachusetts

Annapolis ArcGIS Story-Mapping

Annapolis, Maryland

VA Las Vegas Medical Center

Las Vegas, Nevada

Pennsylvania Turnpike Commission General Consulting Engineer

Pennsylvania

World Market Center

Las Vegas, Nevada

Sherman Minton Bridge Rehabilitation

New Albany, Indiana, to Louisville, Kentucky

Talega Master Planned Community

San Clemente, California

Soka University

Aliso Viejo, California

Urban Development Area Grant Program

Virginia

Eastern Kentucky Bridge Flood Response

Eastern Kentucky

Chesapeake Bay Water Quality Compliance Support

Chesapeake Bay

Westchester County Airport Runway 16/34 Rehabilitation

White Plains, New York

Shackleburg Road Emergency Bridge Replacement

Anderson County, South Carolina

Allegheny County Geotechnical Engineering and Right-of-Way Services

Allegheny County, Pennsylvania

Highway 70 Widening

Benton, Arkansas

I-79 Missing Ramps

Pittsburgh, Pennsylvania

Padre Dam Municipal Water District – Eastern Service Area Secondary Connection

San Diego County, California

Landslide Best Practices Handbook

Pittsburgh, Pennsylvania

U.S. Army Training and Doctrine Command Headquarters

Fort Eustis, Virginia

Lake Hodges Dam Survey

San Diego, California

Rehabilitation of Five High-Hazard Dams

Various Locations, Pennsylvania

John James Audubon Bridge

Point Coupee and West Feliciana Parishes, Louisiana

Marblehead Coastal

San Clemente, California

Lakefront West Corridor

Cleveland, Ohio

Greenfield Bridge

Pittsburgh, Pennsylvania

San Pasqual Undergrounding Project

Escondido, California

I-35 Planning and Environmental Linkages Study

Austin, Texas

Caltrans Stormwater Services

California

Meredith International Centre

Ontario, California

Alaska Gas Pipeline

Alaska

Western Wake Freeway

Raleigh, North Carolina

Tustin Hangar 1 Emergency Roof Stabilization

Tustin, California

FEMA Community Engagement and Risk Communication Contract

Nationwide

Veterans Memorial Bridge

Steubenville, Ohio, to Weirton, West Virginia

Washington County Inland Flooding Vulnerability Assessment

Washington County, Florida

Amtrak Hudson Line Improvement Program

Albany, New York

I-10/Jefferson Street Interchange

Indio, California

Scudder Falls Bridge Replacement

Mercer County, New Jersey and Bucks County, Pennsylvania

Antelope Valley Solar Ranch 1

Lancaster, California

Avalon Sewer System Rehabilitation and Replacement

Avalon, Catalina Island, California

S.R. 0222, Section 19S Roundabout

Fleetwood, Pennsylvania

Indian Wells Tennis Garden

Indian Wells, 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

I-280/Route 21 Interchange Improvements

Newark, New Jersey

Laguna Canyon Road (State Route 133)

Orange County, California

NJDOT Pavement Collection and Analysis

Trenton, New Jersey

Navy Gateway Inns and Suites

Naval Station Newport, Rhode Island

O'Hare International Runway 10R-28L

Chicago, Illinois

Harbor Park Amtrak Rail Station

Norfolk, Virginia

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

Pittsburgh, Pennsylvania

Jacksonville Regional Transportation Center at LaVilla

Jacksonville, Florida

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