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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.

Consulting, Engineering and Construction Services for Saudi Arabia

Kingdom of Saudi Arabia

Sommers Bend Master Planned Community

Temecula, California

King Khalid Air Base

Khamis Mushayt, Saudi Arabia

Courtland Street Bridge Replacement

Atlanta, Georgia

World Market Center

Las Vegas, Nevada

S.R. 0222, Section 19S Roundabout

Fleetwood, Pennsylvania

CSX Pittsburgh Intermodal Rail Terminal

Pittsburgh, Pennsylvania

Manor Expressway

Travis County, Texas

Mobile LiDAR Survey – Amtrak Hudson Line

Poughkeepsie, New York

I-15 Corridor Expansion

Utah County, Utah

Bella Vista Bypass

Benton County, Arkansas

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

Highway 169 Elk River CM/GC Project

Elk River, Minnesota

Vista Village Trunk Sewer Project

Vista, California

Blennerhassett Island Bridge

Parkersburg, West Virginia

Antelope Valley Solar Ranch 1

Lancaster, California

Peachtree Parkway Pedestrian Bridge

City of Peachtree Corners, Georgia

CD5 Pipeline System

Alaska

Moorman (Bellevue) Rail Yard

Bellevue, Ohio

Orange Coast College Recycling Center

Costa Mesa, California

Runway 8R-26L Pavement Replacement

Hartsfield-Jackson Atlanta International Airport, Georgia

Riverside County Transportation Department Integrated Mitigation Project

Riverside County, California

Aberdeen Public Health Command Lab

Aberdeen, Maryland

Natural Gas Pipeline Design

Cambria County, Pennsylvania

Talega Master Planned Community

San Clemente, California

Palarm Bridge Replacement

Highway 365 over Palarm Creek, Pulaski County, Arkansas

Milton-Madison Bridge

Milton, Kentucky, to Madison, Indiana

S.R. 172 (5600 W) Railroad Crossing

Salt Lake City, Utah

National Museum of the United States Army

Fort Belvoir, Virginia

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

Alameda, California

Hartford Line Station Design

New Haven, Connecticut, to Springfield, Massachusetts

VA Las Vegas Medical Center

Las Vegas, Nevada

Kaiser Permanente Central San Diego Hospital

San Diego, California

Newtown Creek Wastewater Treatment Plant

Brooklyn, New York

Laguna Beach Village Entrance

Laguna Beach, California

I-215/4500 South Bridge Replacement

Salt Lake City, Utah

Three Sisters Bridges

Pittsburgh, Pennsylvania

Land Between the Lakes Replacement Bridges

Marshall and Trigg Counties, Kentucky

New Jersey Climate Change Resilience Strategy

New Jersey

Avalon Sewer System Rehabilitation and Replacement

Avalon, Catalina Island, California

Chino Desalters

Chino, California

West Point Clinton District Area Development Plan

West Point, New York

Pennsylvania Turnpike Pavement Condition Inventory

Pennsylvania

CalRecycle Inland Fire Wildfire Recovery

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

U.S. 70 Bridge Over Gallants Channel

Beaufort, North Carolina

I-17 Wrong Way Driver Detection and Warning System Pilot

Phoenix, Arizona

Fort Lee Lodge

Fort Lee, Virginia

Padre Dam Municipal Water District – Eastern Service Area Secondary Connection

San Diego County, California

SEPTA – RailWorks and Market Street Elevated Reconstruction Programs

Philadelphia, Pennsylvania

Joint Operations Center

Fort Meade, Maryland

Harbor Park Amtrak Rail Station

Norfolk, Virginia

AT&T West GIS Land Base Creation and Maintenance

California and Nevada

Hwy 212 Bayou Derriseaux Structures

Cleveland County, Arkansas

Navy Gateway Inns and Suites

Naval Station Newport, Rhode Island

Scioto River Pedestrian Bridge

Dublin, Ohio

FEMA Community Engagement and Risk Communication Contract

Nationwide

Penn State Autonomous Vehicle Proving Ground

Pennsylvania

NJDOT Pavement Collection and Analysis

Trenton, New Jersey

Cold Region Hydrologic and Hydraulic Studies

Coldfoot, Alaska

Westchester County Airport Runway 16/34 Rehabilitation

White Plains, New York

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

Aiken County, South Carolina

Liberty Power Plant Natural Gas Pipeline

Bradford County, Pennsylvania

Pennsylvania Turnpike Commission General Consulting Engineer

Pennsylvania

Development of FHWA’s Bridge Inspection Training Manual

Nationwide

Daniel Hoan Bridge

Milwaukee, Wisconsin

Lake Hodges Dam Survey

San Diego, California

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

Richland, Mississippi, and Florence, Mississippi

Cecil Airport - Hangar 935

Jacksonville, Florida

Hartsfield-Jackson Atlanta International Airport Runway Inspections

Atlanta, Georgia

Amtrak Hudson Line Improvement Program

Albany, New York

Vrooman Road Bridge

Lake County, Ohio

Indian Wells Tennis Garden

Indian Wells, California

Monroe Regional Airport Terminal Improvements

Monroe, Louisiana

Taxiway and Runway 9L-27R Replacement

Hartsfield-Jackson Atlanta International Airport, Georgia

Eastern Kentucky Bridge Flood Response

Eastern Kentucky

ARCYBER Headquarters Facility

Fort Gordon, Georgia

Dominion Boulevard

Chesapeake, Virginia

Urban Development Area Grant Program

Virginia

Hernando de Soto Bridge Inspections

Memphis, Tennessee and West Memphis, Arkansas

I-55 Reconstruction

Jackson, Mississippi

Runway 18-36 Grade Corrections and Overlay

Magnolia Municipal Airport (AGO), Magnolia, Arkansas

Colville River Pipeline Crossing

Alaska

Governor Mario M. Cuomo Bridge (Tappan Zee Bridge)

Nyack and Tarrytown, New York

One Lake – First Floor Renovations

Jackson, Mississippi

Palmer Station

Antarctica

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

Rancho Santa Margarita, California

I-10 Corridor Express Lanes

San Bernardino County, California

Bangerter Highway Four Interchanges

Salt Lake County, Utah

Tyndall Air Force Base AE Services

Tyndall AFB, Panama City, Florida

VTrans 2040 Scenario Analysis

Virginia

Downtown Redlands Redevelopment

Redlands, California

Chesapeake Bay Water Quality Compliance Support

Chesapeake Bay

Winona Bridge

Winona, Minnesota

Runway 8L-26R Pavement Replacement

Hartsfield-Jackson Atlanta International Airport, Georgia

Route 28/East Ohio Street Corridor

Allegheny County, Pennsylvania

I-5/La Novia Roundabout

San Juan Capistrano, California

Shackleburg Road Emergency Bridge Replacement

Anderson County, South Carolina

US-33 Smart Mobility Corridor Program Management

Columbus, Ohio

Sherman Minton Bridge Rehabilitation

New Albany, Indiana, to Louisville, Kentucky

Smart Columbus Program Management Services

Columbus, Ohio

I-280/Route 21 Interchange Improvements

Newark, New Jersey

Liberty Bridge Emergency Inspection

Pittsburgh, Pennsylvania

FDOT State Highway System Resilience Action Plan

Florida

Armed Forces Reserve Center

Danbury, Connecticut

I-80 and I-215 Renewed Design-Build

Salt Lake City, Utah

Vine Street Expressway

Philadelphia, Pennsylvania

John James Audubon Bridge

Point Coupee and West Feliciana Parishes, Louisiana

Lower Hill Development

Pittsburgh, Pennsylvania

Marshall R. Bowen Pumping Plant

Whittier, California

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

City of Circleville, Ohio

Highway 70 Widening

Benton, Arkansas

JTA Complete Streets Program

Jacksonville, Florida

I-40/White Oak Crossing Interchange

Maumelle, Arkansas

Marquette Interchange Rehabilitation

Milwaukee, Wisconsin

Development of AASHTOWare Bridge Design and Rating™ Software

Nationwide

Tustin Hangar 1 Emergency Roof Stabilization

Tustin, California

Alaska Gas Pipeline

Alaska

Opportunity Corridor Part 3

Cleveland, Ohio

Ivanpah Solar Electric Generating Facility

San Bernardino County, California

San Bernardino Community Plans Continuum

San Bernardino County, California

CTfastrak

New Britain and Hartford, Connecticut

Marblehead Coastal

San Clemente, California

Brent Spence Bridge Emergency Repairs

Covington, Kentucky, to Cincinnati, Ohio

I-79 Missing Ramps

Pittsburgh, Pennsylvania

SEPTA Elwyn to Wawa Restoration Program

Middletown Township, Delaware County, Pennsylvania

Mountain View Corridor

West Valley City, Utah

Trans-Alaska Pipeline

Prudhoe Bay to Valdez, Alaska

Cuyahoga River Towpath Trail

Cleveland, Ohio

Ohio Dam Rehabilitations

Ohio

I-81 Improvement Strategy

Central Pennsylvania

Fulton Road Bridge Replacement

Cleveland, Ohio

Laguna Canyon Road (State Route 133)

Orange County, California

Customs & Border Protection Advanced Training Center Sustainability Component Plan

Harpers Ferry, West Virginia

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

George Washington Bridge Replacement of ITS Devices

Fort Lee, New Jersey

Scudder Falls Bridge Replacement

Mercer County, New Jersey and Bucks County, Pennsylvania

S.R. 222 Corridor Improvements

Blandon, Pennsylvania

Sand Canyon Grade Separation

Irvine, California

I-80 Structures Replacement

Salt Lake County, Utah

I-35 Planning and Environmental Linkages Study

Austin, Texas

Marine Corps Base Camp Lejeune Sustainability Services

North Carolina

Naugatuck Passenger Rail Station Design and Transit Oriented Development

Naugatuck, Connecticut

I-15 Northbound, 10600 South Interchange

Salt Lake County, Utah

Traffic Signal Asset Management System

Pennsylvania

I-43 Hillside Interchange Rehabilitation Project

Milwaukee, Wisconsin

Dallas Fort Worth International Airport Asset Data Collection

Grapevine, Texas

Route 52 Causeway

Somers Point and Ocean City, New Jersey

Gila River Restoration

Buckeye, Arizona

Nellis Air Force Base (AFB) Simulation Center

Nellis AFB, Nevada

Greenfield Bridge

Pittsburgh, Pennsylvania

McMurdo Station

Antarctica

I-94 Maple Grove to Rogers Design-Build Project

Hennepin County, Minnesota

Harrisburg Transportation Center Transit-Oriented Development Master Plan

Harrisburg, Pennsylvania

Soka University

Aliso Viejo, California

Templeton-Atascadero Pathway

Atascadero, California

Bus Rapid Transit Traffic Signal Prioritization

Provo-Orem, Utah

Cal Poly Pomona Reverse Osmosis Groundwater Treatment Plant

Pomona, California

Las Vegas City Hall

Las Vegas, Nevada

Somerset Lake Dam Rehabilitation

Somerset County, Pennsylvania

I-10/Jefferson Street Interchange

Indio, California

East Liberty Transit Center

Pittsburgh, Pennsylvania

U.S. Army Training and Doctrine Command Headquarters

Fort Eustis, Virginia

Fuel Cell and Corrosion Hangars

New Mexico

Edwards Air Force Base Dormitory

Kern County, California

I-5/I-405 El Toro “Y” Interchange

Orange County, California

San Pasqual Undergrounding Project

Escondido, California

New River Gorge Bridge

Fayetteville, West Virginia

Leucadia 101 Streetscape Project, Phase I

City of Encinatas, California

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

Apple Valley, California

Pyandzh River Bridge

Afghanistan to Tajikistan

U.S. 21 Bridge Replacement Over Harbor River

Beaufort County, South Carolina

Annapolis ArcGIS Story-Mapping

Annapolis, Maryland

Donlin Gold

Alaska

Liberty Station

San Diego, California

Lakefront West Corridor

Cleveland, Ohio

Jacksonville Regional Transportation Center at LaVilla

Jacksonville, Florida

Hernando de Soto Bridge Emergency Repairs

West Memphis, Arkansas, to Memphis, Tennessee

Reconstruction of Tillary Street Area

Brooklyn, New York

Alaska Energy Security Task Force Report

Anchorage, Alaska

O'Hare International Runway 10R-28L

Chicago, Illinois

The District at South Bay

Carson, California

Tesoro Water Facilities

Orange County, California

PWSA Curb Box Inspection Program

Pittsburgh, Pennsylvania

Caltrans Stormwater Services

California

Howellville Road Bridge Replacement

Tredyffrin Township, Chester County, Pennsylvania

Corridor H

West Virginia

Meredith International Centre

Ontario, California

Abraham Lincoln Bridge

Louisville, Kentucky

San Diego International Airport Terminal 2 Parking Plaza

San Diego, California

Washington County Inland Flooding Vulnerability Assessment

Washington County, Florida

Northeast Ohio Regional Airport

Jefferson, Ohio

Western Wake Freeway

Raleigh, North Carolina

Veterans Memorial Bridge

Steubenville, Ohio, to Weirton, West Virginia

Pomeroy-Mason Cable-Stayed Bridge

Pomeroy, Ohio

Resilient NJ: Local Planning for Climate Change Toolkit

New Jersey

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