Skip to Content


Featured Projects
6th Avenue Arch Bridge Construction Engineering
Denver, CO
Bayonne Bridge Abutment Rehabilitation
New Jersey and New York
Burnt House Road Bridge Replacement
Dickinson Township, PA
Henry Avenue Bridge Rehabilitation
Philadelphia, PA
New I-74 Mississippi River Arch Bridges
Bettendorf, IA & Moline, IL
Paris Road Bridge Vessel Collision Study
New Orleans, LA
Portageville Bridge Replacement
Portageville, NY
Second Blue Water Bridge Design
Port Hurion, MI & Sarnia, ON
Elizabeth City Bridge Replacement
Elizabeth City, NC
Casco Bay Bridge Replacement
Portland, ME
South Market Street Bridge Rehabilitation
Wilmington, DE
Gloucester Bridge Replacement
Gloucester, Massachusetts
MBTA North Station Inspection and Rehabilitation
Boston, Massachusetts
Cheboygan Bascule Bridge Rehabilitation
Cheboygan, Michigan
Charlevoix Bascule Bridge Rehabilitation
Charlevoix, Michigan
Lafayette Bascule Bridge Replacement Peer Review
Bay City, Michigan
Bicentennial Bascule Bridge Rehabilitation
St. Joseph, Michigan
Blossomland Bascule Bridge Rehabilitation
St. Joseph, Michigan
Isabel Holmes Bascule Bridge Rehabilitation
Wilmington, North Carolina
Joliet Bascule Bridges Centralized Control
Joliet, Illinois
New Quincy Bayview Cable-Stayed Bridge
Quincy, IL & West Quincy, MO
Veterans Memorial Bridge Inspection
Wierton, WV
New Monongahela River Bridge
North Versailes Township, PA
New I-70 Mississippi River Bridge
St. Louis, IL
East Huntington Bridge Technical Access Inspection
Huntington, WV
Bill Emerson Memorial Bridge Inspection and Repairs
Cape Girardeau, Missouri
Clark Bridge Inspection
Alton, Illinois
Big Conewago Creek Bridge Replacement
Strinestown, PA
Big Spring Road Bridge Replacement
Cumberland County, PA
Bronco Bridge Replacement
Denver, CO
Carey Avenue Bridge Replacement
Luzerne County, PA
Eastman Chemical Company Bridge Inspections
Kingsport, TN
Garden State Parkway / I-78 Interchange Improvement
Irvington Township, NJ
Grays Ferry Avenue Bridge Rehabilitation
Philadelphia, Pennsylvania
Harpers Ferry Bridge Replacement
Harpers Ferry, WV
Hoffman Street Bridge Replacement
Poughkeepsie, NY
I-64 Kanawha River Bridge Steel Girder Alternative
Charleston, WV
I-70/SH-58 Ramp 1 Flyover Design
Wheatridge, CO
I-95/J.T. Butler Boulevard Interchange Design
Jacksonville, FL
Illinois Route 127 over the Kaskaskia River Replacement
Carlyle, Illinois
Indian River Inlet Bridge Demolition
Rehoboth, DE
John T. McNaughton Bridge Rehabilitation
Pekin, IL
Lake Tillery Bridge Rehabilitation Design-Build
Stanly and Montgomery Counties, NC
Middletown Railroad Bridge Replacements
Middletown, PA
New Findlay Connector Bridges
Findlay Township, PA
Northbound 14th Street Bridge Rehabilitation
Washington, DC
PHX Sky Train Value and Construction Engineering Project
Phoenix, AZ
Quintana Beach Bridge Design
Surfside Beach, TX
RFK Bridge Manhattan Approach Ramps Reconstruction
New York, NY
Route 49 Salem & Alloway River Bridge Replacements
Salem, NJ
Route 79 / 195 Flyover Interchange Replacement
Sargent Beach Bridge Replacement
Sargent Beach, TX
Stonington Railroad Bridge Replacement
Stonington, CT
Sylvan Avenue Bridge Replacement
Dallas, TX
Vietnam Veterans Memorial Bridge Design
Richmond, VA
Well Road Overpass Replacement
West Monroe, LA
Dry Canyon Emergency Repair
Weed, California
Interstate 80 Mississippi River Bridge Rehabilitation
LeClaire, Iowa
15th Street Bridge Improvement Project
Ambassador Bridge Asset Management Plan
Detroit, MI & Windsor, ON
Waco Suspension Bridge Cable Replacement
Waco, Texas
Ambassador Bridge Rehabilitation
Detroit, MI
Benjamin Franklin Bridge Main Suspension Cable Investigation
Philadelphia, PA
English Center Bridge Rehabilitation
English Center, PA
George Washington Bridge Suspension System Rehabilitation
New York, NY
Iowa Illinois Memorial Bridges Inspection
Bettendorf, IA
Macombs Dam Bridge Rehabilitation
New York, NY
Government Swing Bridge Rehabilitation
Rock Island Arsenal, IL
Shellpot Railroad Swing Bridge Rehabilitation
Wilmington, DE
Desiard Street Bridge Replacement
Monroe, LA
Keokuk Railroad Bridge Inspection and Rating
Keokuk, IA and Hamilton, IL
Paulsboro Railroad Bridge Emergency Response
Paulsboro, NJ
Freeport Truss Bridge Rehabilitation
Freeport, PA
Huey P. Long Bridge Widening
New Orleans, LA
Niles Truss Bridge Evaluation
Niles, MI
SR 56 Hurricane Bridge Rehabilitation
Smithville, TN
Milford-Montague Toll Bridge Rehabilitation
Milford, Pennsylvania and Montague Township, NJ
Rip Van Winkle Bridge Scour Susceptibility Study
Catskill, NY
Phill G. McDonald Bridge Inspection and NDT
Danese, WV
Murray Baker Bridge Inspection, Load Capacity Rating, and Rehabilitation
Peoria, Illinois
Cedar Street Bridge Inspection, Load Capacity Rating, and Rehabilitation
Peoria, Illinois
Merchant Bridge Deck Truss Replacement
St. Louis, Missouri
Martin Luther King Bridge Inspection, Load Capacity Ratings and Rehabilitation
East St. Louis, Illinois
Portage Lake Lift Bridge Rehabilitation
Hancock and Houghton, MI
I-Street Bridge Replacement
Sacramento, CA
Gilmerton Bridge Replacement
Chesapeake, VA
Florence Bridge Emergency Response
Florence, IL
EJE Bridge 552 Replacement
Morris, IL
I-5 Lift Bridges Rehabilitation
Portland, OR
Paulsboro Railroad Bridge Replacement
Paulsboro, NJ
Galveston Railroad Bridge Replacement
Galveston County
Houma-Freeport Bridge Relocation
Houma, LA (Relocating to Freeport, TX)
Philadelphia Navy Ship Yard Rehabilitation
Philadelphia, PA
Joe Page Bridge Rehabilitation
Hardin, IL
Florida Avenue Bridge Replacement
New Orleans, LA
Cape Cod Canal Bridge Rehabilitation
Buzzards Bay, MA
San Bernard River Bridge Replacement
Sweeny, Texas
Fore River Bridge Replacement
Quincy, MA
Erie Canal Lift Bridges Rehabilitation
Albion and Brockport, New York
Cape Fear Memorial Lift Bridge Rehabilitation
Wilmington, North Carolina
Arkansas River Lift Bridge Emergency Repair
Van Buren, Arkansas
Robert C. Byrd Green Bank Telescope Inspection
Green Bank, WV
AASHTO Specification Development
New York State Bridge Authority Inspections
Hudson Valley, NY
NCHRP 12-78 Evaluation of Load Rating by LRFR
Washington, DC
Washington, DC Citywide Bridge Inspection Program
Washington, DC
MassDOT Complex Bridge Inspection Projects
Metro Systemwide Inspections
St. Louis, Missouri
Illinois Department of Transportation Legal Loads Parametric Evaluation
Statewide, Illinois
West Colton Transfer Table Replacement
Colton, CA
Downtown Tunnel Repairs and Standpipe Replacement
St. Louis, Missouri
Union Station Tunnel Structural Repairs
St. Louis, Missouri
Union Station Tunnel Rehabilitation
St. Louis, Missouri
I-395 Tunnel at Mt. Vernon Place Vulnerability Study
Washington, DC
Maroon Creek Pedestrian Bridge Design
Aspen, CO
The Trestle Inspection and Evaluation
St. Louis, Missouri
Guide Specifications for Design of Pedestrian Bridges
Washington, DC
Kanawha Trestle Rail-to-Trail
Charleston, WV
Lincoln Drive Pedestrian Bridge
Carbondale, Illinois
Old Chain of Rocks Pedestrian Bridge
Madison, Illinois
I-12 at LA-447 Interchange Roadway Lighting Design Project
Walker, Louisana
Clarksburg Lighting
Clarksburg, West Virginia
I-57 and I-24 Bridge Navigation and Aviation Obstruction Lighting
Cairo and Metropolis, Illinois
Merchants Bridge West Approach Replacement
St. Louis, Missouri
Martin Luther King Bridge Approach Replacement
East St. Louis, Illinois
I-74 Mississippi River Bridge – Illinois Approach Corridor
Moline, Illinois
79th Street Retaining Walls Rehabilitation
East St. Louis, Illinois
COLT Railroad US Highway 63 Overpass Design
Columbia, Missouri
New River Parkway Design
Raleigh & Summers Counties, WV