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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.

Ivanpah Solar Electric Generating Facility

San Bernardino County, California

Three Sisters Bridges

Pittsburgh, Pennsylvania

Antelope Valley Solar Ranch 1

Lancaster, California

Caltrans Stormwater Services

California

West Point Clinton District Area Development Plan

West Point, New York

Allegheny County Geotechnical Engineering and Right-of-Way Services

Allegheny County, Pennsylvania

U.S. 21 Bridge Replacement Over Harbor River

Beaufort County, South Carolina

Traffic Signal Asset Management System

Pennsylvania

Washington County Inland Flooding Vulnerability Assessment

Washington County, Florida

Laguna Beach Village Entrance

Laguna Beach, California

Indoor Data Collection For Improved Airport Operations

Hartsfield-Jackson Atlanta International Airport

NJDOT Pavement Collection and Analysis

Trenton, New Jersey

Nellis Air Force Base (AFB) Simulation Center

Nellis AFB, Nevada

Peachtree Parkway Pedestrian Bridge

City of Peachtree Corners, Georgia

Padre Dam Municipal Water District – Eastern Service Area Secondary Connection

San Diego County, California

Gila River Restoration

Buckeye, Arizona

Manor Expressway

Travis County, Texas

Mobile LiDAR Survey – Amtrak Hudson Line

Poughkeepsie, New York

Cal Poly Pomona Reverse Osmosis Groundwater Treatment Plant

Pomona, California

Chino Desalters

Chino, California

Pomeroy-Mason Cable-Stayed Bridge

Pomeroy, Ohio

Pyandzh River Bridge

Afghanistan to Tajikistan

Hernando de Soto Bridge Emergency Repairs

West Memphis, Arkansas, to Memphis, Tennessee

I-40/White Oak Crossing Interchange

Maumelle, Arkansas

Cecil Airport - Hangar 935

Jacksonville, Florida

Mountain View Corridor

West Valley City, Utah

I-10 Corridor Express Lanes

San Bernardino County, California

U.S. Army Training and Doctrine Command Headquarters

Fort Eustis, Virginia

Palmer Station

Antarctica

Development of FHWA’s Bridge Inspection Training Manual

Nationwide

Navy Gateway Inns and Suites

Naval Station Newport, Rhode Island

Talega Master Planned Community

San Clemente, California

I-94 Maple Grove to Rogers Design-Build Project

Hennepin County, Minnesota

Corridor H

West Virginia

Lakefront West Corridor

Cleveland, Ohio

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

Pittsburgh, Pennsylvania

NJ Route 18 Traffic Signal System Contract No. 1

Mercer and Middlesex Counties, New Jersey

Orange Coast College Recycling Center

Costa Mesa, California

SEPTA Elwyn to Wawa Restoration Program

Middletown Township, Delaware County, Pennsylvania

Bus Rapid Transit Traffic Signal Prioritization

Provo-Orem, Utah

US 33 Smart Mobility Corridor Program Management

Franklin and Union Counties, Ohio

Alaska Gas Pipeline

Alaska

Marshall R. Bowen Pumping Plant

Whittier, California

Tyndall Air Force Base AE Services

Tyndall AFB, Panama City, Florida

Aberdeen Public Health Command Lab

Aberdeen, Maryland

Governor Mario M. Cuomo Bridge (Tappan Zee Bridge)

Nyack and Tarrytown, New York

FDOT State Highway System Resilience Action Plan

Florida

Indian Wells Tennis Garden

Indian Wells, California

I-280/Route 21 Interchange Improvements

Newark, New Jersey

John James Audubon Bridge

Point Coupee and West Feliciana Parishes, Louisiana

Colville River Pipeline Crossing

Alaska

Newtown Creek Wastewater Treatment Plant

Brooklyn, New York

San Pasqual Undergrounding Project

Escondido, California

Liberty Power Plant Natural Gas Pipeline

Bradford County, Pennsylvania

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

Rancho Santa Margarita, California

I-55 Reconstruction

Jackson, Mississippi

Vine Street Expressway

Philadelphia, Pennsylvania

Runway 18-36 Grade Corrections and Overlay

Magnolia Municipal Airport (AGO), Magnolia, Arkansas

Dallas Fort Worth International Airport Asset Data Collection

Grapevine, Texas

Amtrak Hudson Line Improvement Program

Albany, New York

Armed Forces Reserve Center

Danbury, Connecticut

Vrooman Road Bridge

Lake County, Ohio

Courtland Street Bridge Replacement

Atlanta, Georgia

Taxiway and Runway 9L-27R Replacement

Hartsfield-Jackson Atlanta International Airport, Georgia

I-15 Corridor Expansion

Utah County, Utah

Dominion Boulevard

Chesapeake, Virginia

Land Between the Lakes Replacement Bridges

Marshall and Trigg Counties, Kentucky

Joint Operations Center

Fort Meade, Maryland

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

Aiken County, South Carolina

Leucadia 101 Streetscape Project, Phase I

City of Encinatas, California

Customs & Border Protection Advanced Training Center Sustainability Component Plan

Harpers Ferry, West Virginia

Development of AASHTOWare Bridge Design and Rating™ Software

Nationwide

S.R. 172 (5600 W) Railroad Crossing

Salt Lake City, Utah

I-35 Planning and Environmental Linkages Study

Austin, Texas

FEMA Flood Map Modernization

Nationwide

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

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

Riverside County Transportation Department Integrated Mitigation Project

Riverside County, California

Reconstruction of Tillary Street Area

Brooklyn, New York

O'Hare International Runway 10R-28L

Chicago, Illinois

Bella Vista Bypass

Benton County, Arkansas

McMurdo Station

Antarctica

Brent Spence Bridge Emergency Repairs

Covington, Kentucky, to Cincinnati, Ohio

I-5/I-405 El Toro “Y” Interchange

Orange County, California

Pennsylvania Turnpike Commission General Consulting Engineer

Pennsylvania

I-10/Jefferson Street Interchange

Indio, California

Harrisburg Transportation Center Transit-Oriented Development Master Plan

Harrisburg, Pennsylvania

Fuel Cell and Corrosion Hangars

New Mexico

JTA Complete Streets Program

Jacksonville, Florida

Cold Region Hydrologic and Hydraulic Studies

Coldfoot, Alaska

Shackleburg Road Emergency Bridge Replacement

Anderson County, South Carolina

AT&T West GIS Land Base Creation and Maintenance

California and Nevada

S.R. 0222, Section 19S Roundabout

Fleetwood, Pennsylvania

Route 52 Causeway

Somers Point and Ocean City, New Jersey

Penn State Autonomous Vehicle Proving Ground

Pennsylvania

Northeast Ohio Regional Airport

Jefferson, Ohio

U.S. 70 Bridge Over Gallants Channel

Beaufort, North Carolina

PWSA Curb Box Inspection Program

Pittsburgh, Pennsylvania

I-43 Hillside Interchange Rehabilitation Project

Milwaukee, Wisconsin

I-81 Improvement Strategy

Central Pennsylvania

World Market Center

Las Vegas, Nevada

Western Wake Freeway

Raleigh, North Carolina

CSX Pittsburgh Intermodal Rail Terminal

Pittsburgh, Pennsylvania

One Lake – First Floor Renovations

Jackson, Mississippi

Landslide Best Practices Handbook

Pittsburgh, Pennsylvania

Naugatuck Passenger Rail Station Design and Transit Oriented Development

Naugatuck, Connecticut

Hwy 212 Bayou Derriseaux Structures

Cleveland County, Arkansas

CTfastrak

New Britain and Hartford, Connecticut

Edwards Air Force Base Dormitory

Kern County, California

Natural Gas Pipeline Design

Cambria County, Pennsylvania

New Jersey Climate Change Resilience Strategy

New Jersey

Monroe Regional Airport Terminal Improvements

Monroe, Louisiana

Mobile River Bridge and Bayway Project

Mobile, Alabama

Runway 8R-26L Pavement Replacement

Hartsfield-Jackson Atlanta International Airport, Georgia

Ohio Dam Rehabilitations

Ohio

New River Gorge Bridge

Fayetteville, West Virginia

The District at South Bay

Carson, California

Hartsfield-Jackson Atlanta International Airport Runway Inspections

Atlanta, Georgia

San Bernardino Community Plans Continuum

San Bernardino County, California

I-79 Missing Ramps

Pittsburgh, Pennsylvania

Liberty Station

San Diego, California

Hernando de Soto Bridge Inspections

Memphis, Tennessee and West Memphis, Arkansas

Scioto River Pedestrian Bridge

Dublin, Ohio

Fort Lee Lodge

Fort Lee, Virginia

Daniel Hoan Bridge

Milwaukee, Wisconsin

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

City of Circleville, Ohio

Moorman (Bellevue) Rail Yard

Bellevue, Ohio

Donlin Gold

Alaska

Fulton Road Bridge Replacement

Cleveland, Ohio

Kaiser Permanente Central San Diego Hospital

San Diego, California

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

Richland, Mississippi, and Florence, Mississippi

Avalon Sewer System Rehabilitation and Replacement

Avalon, Catalina Island, California

Somerset Lake Dam Rehabilitation

Somerset County, Pennsylvania

Sherman Minton Bridge Rehabilitation

New Albany, Indiana, to Louisville, Kentucky

Vista Village Trunk Sewer Project

Vista, California

San Diego International Airport Terminal 2 Parking Plaza

San Diego, California

SEPTA – RailWorks and Market Street Elevated Reconstruction Programs

Philadelphia, Pennsylvania

I-215/4500 South Bridge Replacement

Salt Lake City, Utah

ARCYBER Headquarters Facility

Fort Gordon, Georgia

Blennerhassett Island Bridge

Parkersburg, West Virginia

Chesapeake Bay Water Quality Compliance Support

Chesapeake Bay

Consulting, Engineering and Construction Services for Saudi Arabia

Kingdom of Saudi Arabia

Opportunity Corridor Part 3

Cleveland, Ohio

George Washington Bridge Replacement of ITS Devices

Fort Lee, New Jersey

Runway 8L-26R Pavement Replacement

Hartsfield-Jackson Atlanta International Airport, Georgia

I-17 Wrong Way Driver Detection and Warning System Pilot

Phoenix, Arizona

Urban Development Area Grant Program

Virginia

Westchester County Airport Runway 16/34 Rehabilitation

White Plains, New York

Lower Hill Development

Pittsburgh, Pennsylvania

Howellville Road Bridge Replacement

Tredyffrin Township, Chester County, Pennsylvania

Scudder Falls Bridge Replacement

Mercer County, New Jersey and Bucks County, Pennsylvania

Resilient NJ: Local Planning for Climate Change Toolkit

New Jersey

Laguna Canyon Road (State Route 133)

Orange County, California

Annapolis ArcGIS Story-Mapping

Annapolis, Maryland

VTrans 2040 Scenario Analysis

Virginia

Sommers Bend Master Planned Community

Temecula, California

De Roche Creek Lateral Bridge Slides

Arkadelphia, Arkansas

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

Apple Valley, California

Cuyahoga River Towpath Trail

Cleveland, Ohio

Meredith International Centre

Ontario, California

Veterans Memorial Bridge

Steubenville, Ohio, to Weirton, West Virginia

Las Vegas City Hall

Las Vegas, Nevada

S.R. 222 Corridor Improvements

Blandon, Pennsylvania

East Liberty Transit Center

Pittsburgh, Pennsylvania

VA Las Vegas Medical Center

Las Vegas, Nevada

Bangerter Highway Four Interchanges

Salt Lake County, Utah

Soka University

Aliso Viejo, California

King Khalid Air Base

Khamis Mushayt, Saudi Arabia

Marine Corps Base Camp Lejeune Sustainability Services

North Carolina

Downtown Redlands Redevelopment

Redlands, California

Greenfield Bridge

Pittsburgh, Pennsylvania

Winona Bridge

Winona, Minnesota

Palarm Bridge Replacement

Highway 365 over Palarm Creek, Pulaski County, Arkansas

Liberty Bridge Emergency Inspection

Pittsburgh, Pennsylvania

Jacksonville Regional Transportation Center at LaVilla

Jacksonville, Florida

Templeton-Atascadero Pathway

Atascadero, California

CalRecycle Inland Fire Wildfire Recovery

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

Abraham Lincoln Bridge

Louisville, Kentucky

Route 28/East Ohio Street Corridor

Allegheny County, Pennsylvania

Harbor Park Amtrak Rail Station

Norfolk, Virginia

Milton-Madison Bridge

Milton, Kentucky, to Madison, Indiana

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

Alameda, California

National Museum of the United States Army

Fort Belvoir, Virginia

Highway 169 Elk River CM/GC Project

Elk River, Minnesota

Alaska Energy Security Task Force Report

Anchorage, Alaska

Tustin Hangar 1 Emergency Roof Stabilization

Tustin, California

Trans-Alaska Pipeline

Prudhoe Bay to Valdez, Alaska

Smart Columbus Program Management Services

Columbus, Ohio

Eastern Kentucky Bridge Flood Response

Eastern Kentucky

Highway 70 Widening

Benton, Arkansas

I-5/La Novia Roundabout

San Juan Capistrano, California

FEMA Community Engagement and Risk Communication Contract

Nationwide

I-80 and I-215 Renewed Design-Build

Salt Lake City, Utah

CD5 Pipeline System

Alaska

I-80 Structures Replacement

Salt Lake County, Utah

Pennsylvania Turnpike Pavement Condition Inventory

Pennsylvania

Marquette Interchange Rehabilitation

Milwaukee, Wisconsin

Hartford Line Station Design

New Haven, Connecticut, to Springfield, Massachusetts

Marblehead Coastal

San Clemente, California

Lake Hodges Dam Survey

San Diego, California

Tesoro Water Facilities

Orange County, California

Sand Canyon Grade Separation

Irvine, California

I-15 Northbound, 10600 South Interchange

Salt Lake County, Utah

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