1 - 15 of 55 projects

Glenwood Bridge Preservation Project, Pittsburgh, PA

Program and Project Management

The Glenwood Bridge, which opened in 1966, is Pennsylvania’s first all-welded steel truss bridge and offers a back-door route to Downtown Pittsburgh for South Hills motorists. The four-lane span links Glenwood and Hazelwood with Hays,...

I-595 Expressway Managed Lanes

Construction Management and Inspection

The I-595 corridor originally opened to traffic in 1989, coordinating the movement of high traffic volumes between the developable areas in the western parts of the Southeast Florida region with the established north-south freeway and...

I-93 Leonard P. Zakim Bunker Hill Bridge

Transportation Design

A focal point in the Boston skyline and winner of the 2004 OPAL Award from the American Society of Civil Engineers, this unique bridge has twin planes of stay cables in the 745- foot main...

I-93 Viaducts and Ramps

Transportation Design

The Boston Central Artery included many viaducts and ramps, divided into multiple manageable and coordinated construction contracts. The segments were erected using both the balanced cantilever and span-by-span methods.

I-95 Express Lanes Phase 3A-2

Construction Management and Inspection

This project converted the existing high occupancy vehicle lanes to tolled express lanes adds one additional tolled express lane in each direction in conjunction with three to four general use (GU) lanes (existing) in the...

I-95 Express Lanes Phase 3B-2

Construction Management and Inspection

I-95 Express Lanes Phase 3B-2 will extend the existing Express Lanes north from just south of Glades Road to just south of Linton Boulevard in Palm Beach County.

Ironton Rail-Trail Bridge

Transportation Design

We were responsible for the planning, design, environmental clearances, right-of-way plans, utility coordination, preparation of the bid proposal and construction management for this 193-foot, 3-span pedestrian/vehicle bridge over Lehigh Street (S.R. 1014).

John B. Bartram Trail

Transportation Design

The John B. Bartram Trail is one segment of the Schuylkill River Trail, which follows the Schuylkill River from Pottsville to Philadelphia forming the 128-mile-long spine of the Schuylkill River Heritage Area’s Regional Trail Network.

Klines Pedestrian Bridge

Transportation Design

Our company performed the preliminary and final design for this new bridge carrying the City of Allentown Park Drive across the Little Lehigh Creek in the City’s Lehigh Parkway.

LaBelle Draw Bridge Retrofit

Construction Management and Inspection

The LaBelle Draw Bridge (also locally known as the State Road 29 Bridge) is a 28 feet tall, two-lane drawbridge located in the historical district of the town of LaBelle.

Lee Roy Selmon Crosstown Expressway

Construction Management and Inspection

The Lee Roy Selmon Expressway is a 15-mile all-electronic toll roadway that links west Hillsborough County through downtown Tampa to Brandon. It connects Gandy Boulevard in southwest Tampa to Interstate 75 and the community of...

Lehigh Street Bridges Replacement

Transportation Design

This project involved the reconstruction of Lehigh Street (SR 1014) from Front Street in Whitehall Township, Lehigh County to Second Street in North Catasauqua Borough in Northampton County.

Lidy Road Bridge

Transportation Design

This project involved replacing 2 bridge structures with a combination precast and poured in-place concrete arch structure to span Interstate 81 and convey traffic below on Lidy’s Road.