Top

Featured Project

Brent Spence Bridge Emergency Repairs

Covington, Kentucky, to Cincinnati, Ohio

VIEW PROJECT

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.

Consulting, Engineering and Construction Services for Saudi Arabia

Kingdom of Saudi Arabia

Gila River Restoration

Buckeye, Arizona

Scudder Falls Bridge Replacement

Mercer County, New Jersey and Bucks County, Pennsylvania

I-17 Wrong Way Driver Detection and Warning System Pilot

Phoenix, Arizona

Riverside County Transportation Department Integrated Mitigation Project

Riverside County, California

Northeast Ohio Regional Airport

Jefferson, Ohio

Pennsylvania Turnpike Pavement Condition Inventory

Pennsylvania

Hernando de Soto Bridge Inspections

Memphis, Tennessee and West Memphis, Arkansas

Annapolis ArcGIS Story-Mapping

Annapolis, Maryland

Indoor Data Collection For Improved Airport Operations

Hartsfield-Jackson Atlanta International Airport

John James Audubon Bridge

Point Coupee and West Feliciana Parishes, Louisiana

Customs & Border Protection Advanced Training Center Sustainability Component Plan

Harpers Ferry, West Virginia

I-280/Route 21 Interchange Improvements

Newark, New Jersey

Bella Vista Bypass

Benton County, Arkansas

NJDOT Pavement Collection and Analysis

Trenton, New Jersey

Orange Coast College Recycling Center

Costa Mesa, California

Reconstruction of Tillary Street Area

Brooklyn, New York

ARCYBER Headquarters Facility

Fort Gordon, Georgia

Milton-Madison Bridge

Milton, Kentucky, to Madison, Indiana

Alaska Energy Security Task Force Report

Anchorage, Alaska

Fuel Cell and Corrosion Hangars

New Mexico

Vrooman Road Bridge

Lake County, Ohio

Lake Hodges Dam Survey

San Diego, California

Bus Rapid Transit Traffic Signal Prioritization

Provo-Orem, Utah

Nellis Air Force Base (AFB) Simulation Center

Nellis AFB, Nevada

San Diego International Airport Terminal 2 Parking Plaza

San Diego, California

Leucadia 101 Streetscape Project, Phase I

City of Encinatas, California

I-40/White Oak Crossing Interchange

Maumelle, Arkansas

Liberty Bridge Emergency Inspection

Pittsburgh, Pennsylvania

Landslide Best Practices Handbook

Pittsburgh, Pennsylvania

Edwards Air Force Base Dormitory

Kern County, California

I-80 Structures Replacement

Salt Lake County, Utah

Laguna Beach Village Entrance

Laguna Beach, California

Three Sisters Bridges

Pittsburgh, Pennsylvania

I-94 Maple Grove to Rogers Design-Build Project

Hennepin County, Minnesota

Armed Forces Reserve Center

Danbury, Connecticut

JTA Complete Streets Program

Jacksonville, Florida

I-79 Missing Ramps

Pittsburgh, Pennsylvania

Marblehead Coastal

San Clemente, California

Downtown Redlands Redevelopment

Redlands, California

Brent Spence Bridge Emergency Repairs

Covington, Kentucky, to Cincinnati, Ohio

Highway 169 Elk River CM/GC Project

Elk River, Minnesota

Mobile River Bridge and Bayway Project

Mobile, Alabama

West Point Clinton District Area Development Plan

West Point, New York

The District at South Bay

Carson, California

Laguna Canyon Road (State Route 133)

Orange County, California

Western Wake Freeway

Raleigh, North Carolina

Corridor H

West Virginia

I-15 Northbound, 10600 South Interchange

Salt Lake County, Utah

Antelope Valley Solar Ranch 1

Lancaster, California

I-55 Reconstruction

Jackson, Mississippi

O'Hare International Runway 10R-28L

Chicago, Illinois

Colville River Pipeline Crossing

Alaska

SEPTA – RailWorks and Market Street Elevated Reconstruction Programs

Philadelphia, Pennsylvania

FEMA Flood Map Modernization

Nationwide

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

Aiken County, South Carolina

Taxiway and Runway 9L-27R Replacement

Hartsfield-Jackson Atlanta International Airport, Georgia

Lower Hill Development

Pittsburgh, Pennsylvania

Naugatuck Passenger Rail Station Design and Transit Oriented Development

Naugatuck, Connecticut

Navy Gateway Inns and Suites

Naval Station Newport, Rhode Island

Runway 8R-26L Pavement Replacement

Hartsfield-Jackson Atlanta International Airport, Georgia

Pomeroy-Mason Cable-Stayed Bridge

Pomeroy, Ohio

Runway 8L-26R Pavement Replacement

Hartsfield-Jackson Atlanta International Airport, Georgia

Amtrak Hudson Line Improvement Program

Albany, New York

Shackleburg Road Emergency Bridge Replacement

Anderson County, South Carolina

Hwy 212 Bayou Derriseaux Structures

Cleveland County, Arkansas

Somerset Lake Dam Rehabilitation

Somerset County, Pennsylvania

SR 28 Highland Park Interchange Improvement Project

Pittsburgh, Pennsylvania

Donlin Gold

Alaska

I-215/4500 South Bridge Replacement

Salt Lake City, Utah

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

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

Lakefront West Corridor

Cleveland, Ohio

San Bernardino Community Plans Continuum

San Bernardino County, California

Runway 18-36 Grade Corrections and Overlay

Magnolia Municipal Airport (AGO), Magnolia, Arkansas

Templeton-Atascadero Pathway

Atascadero, California

Fort Lee Lodge

Fort Lee, Virginia

I-5/La Novia Roundabout

San Juan Capistrano, California

Cold Region Hydrologic and Hydraulic Studies

Coldfoot, Alaska

King Khalid Air Base

Khamis Mushayt, Saudi Arabia

FEMA Community Engagement and Risk Communication Contract

Nationwide

Mobile LiDAR Survey – Amtrak Hudson Line

Poughkeepsie, New York

Howellville Road Bridge Replacement

Tredyffrin Township, Chester County, Pennsylvania

U.S. 21 Bridge Replacement Over Harbor River

Beaufort County, South Carolina

Marshall R. Bowen Pumping Plant

Whittier, California

Dominion Boulevard

Chesapeake, Virginia

Fulton Road Bridge Replacement

Cleveland, Ohio

Padre Dam Municipal Water District – Eastern Service Area Secondary Connection

San Diego County, California

Land Between the Lakes Replacement Bridges

Marshall and Trigg Counties, Kentucky

Talega Master Planned Community

San Clemente, California

De Roche Creek Lateral Bridge Slides

Arkadelphia, Arkansas

National Museum of the United States Army

Fort Belvoir, Virginia

Vine Street Expressway

Philadelphia, Pennsylvania

S.R. 0222, Section 19S Roundabout

Fleetwood, Pennsylvania

Highway 70 Widening

Benton, Arkansas

Development of FHWA’s Bridge Inspection Training Manual

Nationwide

Cuyahoga River Towpath Trail

Cleveland, Ohio

Tustin Hangar 1 Emergency Roof Stabilization

Tustin, California

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

Richland, Mississippi, and Florence, Mississippi

I-5/I-405 El Toro “Y” Interchange

Orange County, California

Joint Operations Center

Fort Meade, Maryland

I-43 Hillside Interchange Rehabilitation Project

Milwaukee, Wisconsin

I-80 and I-215 Renewed Design-Build

Salt Lake City, Utah

Manor Expressway

Travis County, Texas

Eastern Kentucky Bridge Flood Response

Eastern Kentucky

Traffic Signal Asset Management System

Pennsylvania

Daniel Hoan Bridge

Milwaukee, Wisconsin

Smart Columbus Program Management Services

Columbus, Ohio

Monroe Regional Airport Terminal Improvements

Monroe, Louisiana

Rehabilitation of Five High-Hazard Dams

Various Locations, Pennsylvania

Governor Mario M. Cuomo Bridge (Tappan Zee Bridge)

Nyack and Tarrytown, New York

Indian Wells Tennis Garden

Indian Wells, California

Resilient NJ: Local Planning for Climate Change Toolkit

New Jersey

S.R. 222 Corridor Improvements

Blandon, Pennsylvania

Newtown Creek Wastewater Treatment Plant

Brooklyn, New York

Sand Canyon Grade Separation

Irvine, California

Abraham Lincoln Bridge

Louisville, Kentucky

Caltrans Stormwater Services

California

Opportunity Corridor Part 3

Cleveland, Ohio

One Lake – First Floor Renovations

Jackson, Mississippi

FDOT State Highway System Resilience Action Plan

Florida

S.R. 172 (5600 W) Railroad Crossing

Salt Lake City, Utah

AT&T West GIS Land Base Creation and Maintenance

California and Nevada

Natural Gas Pipeline Design

Cambria County, Pennsylvania

Hartford Line Station Design

New Haven, Connecticut, to Springfield, Massachusetts

Bangerter Highway Four Interchanges

Salt Lake County, Utah

Avalon Sewer System Rehabilitation and Replacement

Avalon, Catalina Island, California

Peachtree Parkway Pedestrian Bridge

City of Peachtree Corners, Georgia

Winona Bridge

Winona, Minnesota

Palmer Station

Antarctica

VTrans 2040 Scenario Analysis

Virginia

Greenfield Bridge

Pittsburgh, Pennsylvania

CTfastrak

New Britain and Hartford, Connecticut

U.S. 70 Bridge Over Gallants Channel

Beaufort, North Carolina

SEPTA Elwyn to Wawa Restoration Program

Middletown Township, Delaware County, Pennsylvania

CalRecycle Inland Fire Wildfire Recovery

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

Sommers Bend Master Planned Community

Temecula, California

George Washington Bridge Replacement of ITS Devices

Fort Lee, New Jersey

Cal Poly Pomona Reverse Osmosis Groundwater Treatment Plant

Pomona, California

New Jersey Climate Change Resilience Strategy

New Jersey

Scioto River Pedestrian Bridge

Dublin, Ohio

CD5 Pipeline System

Alaska

Vista Village Trunk Sewer Project

Vista, California

Allegheny County Geotechnical Engineering and Right-of-Way Services

Allegheny County, Pennsylvania

US 33 Smart Mobility Corridor Program Management

Franklin and Union Counties, Ohio

Aberdeen Public Health Command Lab

Aberdeen, Maryland

Pyandzh River Bridge

Afghanistan to Tajikistan

U.S. Army Training and Doctrine Command Headquarters

Fort Eustis, Virginia

Development of AASHTOWare Bridge Design and Rating™ Software

Nationwide

PWSA Curb Box Inspection Program

Pittsburgh, Pennsylvania

San Pasqual Undergrounding Project

Escondido, California

Ivanpah Solar Electric Generating Facility

San Bernardino County, California

Harbor Park Amtrak Rail Station

Norfolk, Virginia

Tesoro Water Facilities

Orange County, California

Dallas Fort Worth International Airport Asset Data Collection

Grapevine, Texas

Penn State Autonomous Vehicle Proving Ground

Pennsylvania

I-81 Improvement Strategy

Central Pennsylvania

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

Alameda, California

Chesapeake Bay Water Quality Compliance Support

Chesapeake Bay

Marine Corps Base Camp Lejeune Sustainability Services

North Carolina

VA Las Vegas Medical Center

Las Vegas, Nevada

Harrisburg Transportation Center Transit-Oriented Development Master Plan

Harrisburg, Pennsylvania

CSX Pittsburgh Intermodal Rail Terminal

Pittsburgh, Pennsylvania

Liberty Station

San Diego, California

I-10/Jefferson Street Interchange

Indio, California

Route 28/East Ohio Street Corridor

Allegheny County, Pennsylvania

Liberty Power Plant Natural Gas Pipeline

Bradford County, Pennsylvania

Tyndall Air Force Base AE Services

Tyndall AFB, Panama City, Florida

I-15 Corridor Expansion

Utah County, Utah

Courtland Street Bridge Replacement

Atlanta, Georgia

Palarm Bridge Replacement

Highway 365 over Palarm Creek, Pulaski County, Arkansas

NJ Route 18 Traffic Signal System Contract No. 1

Mercer and Middlesex Counties, New Jersey

I-35 Planning and Environmental Linkages Study

Austin, Texas

Alaska Gas Pipeline

Alaska

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

Rancho Santa Margarita, California

Jacksonville Regional Transportation Center at LaVilla

Jacksonville, Florida

Sherman Minton Bridge Rehabilitation

New Albany, Indiana, to Louisville, Kentucky

Hernando de Soto Bridge Emergency Repairs

West Memphis, Arkansas, to Memphis, Tennessee

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

Apple Valley, California

Blennerhassett Island Bridge

Parkersburg, West Virginia

Las Vegas City Hall

Las Vegas, Nevada

I-10 Corridor Express Lanes

San Bernardino County, California

World Market Center

Las Vegas, Nevada

Cecil Airport - Hangar 935

Jacksonville, Florida

Route 52 Causeway

Somers Point and Ocean City, New Jersey

McMurdo Station

Antarctica

Hartsfield-Jackson Atlanta International Airport Runway Inspections

Atlanta, Georgia

Moorman (Bellevue) Rail Yard

Bellevue, Ohio

Trans-Alaska Pipeline

Prudhoe Bay to Valdez, Alaska

Washington County Inland Flooding Vulnerability Assessment

Washington County, Florida

Ohio Dam Rehabilitations

Ohio

Mountain View Corridor

West Valley City, Utah

Urban Development Area Grant Program

Virginia

Pennsylvania Turnpike Commission General Consulting Engineer

Pennsylvania

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

City of Circleville, Ohio

Westchester County Airport Runway 16/34 Rehabilitation

White Plains, New York

Veterans Memorial Bridge

Steubenville, Ohio, to Weirton, West Virginia

Meredith International Centre

Ontario, California

East Liberty Transit Center

Pittsburgh, Pennsylvania

New River Gorge Bridge

Fayetteville, West Virginia

Soka University

Aliso Viejo, California

Marquette Interchange Rehabilitation

Milwaukee, Wisconsin

Chino Desalters

Chino, California

Kaiser Permanente Central San Diego Hospital

San Diego, California

See More