Historic Bridges: Richardson, Gordon, and Associates of Pittsburgh, Pennsylvania (George S. Richardson)

Special Bridge Conditions Legend: R - Former location of relocated bridge. ! - At risk for demolition or destruction. X - Confirmed demolished or collapsed. S  - Dismantled and/or in storage. L -  Severe loss of historic integrity due to alteration.

!
Commercial Street Bridge

I-376, US-22, US-30 (Penn Lincoln Parkway / Parkway East) Over 9 Mile Run and Commercial Street in Pittsburgh: Allegheny County, Pennsylvania, United States

Concrete Open Spandrel Deck Arch, Fixed and Approach Spans: Concrete T-Beam, Fixed

Length: 863 ft. Main Span: 176 ft. Main Spans: 3

Built 1950 By: Dinardo Incorporated of Pittsburgh, Pennsylvania and Richardson, Gordon, and Associates of Pittsburgh, Pennsylvania (George S. Richardson)

This large concrete arch bridge is configured as two parallel bridges, and is noted for its lack of bracing between arch ribs, giving the bridge an open appearance.

Fort Duquesne Bridge

I-279 Over Allegheny River in Pittsburgh: Allegheny County, Pennsylvania, United States

Metal Tied Solid Ribbed Through Arch, Fixed and Approach Spans: Metal Continuous Box Beam, Fixed

Length: 921 ft. Main Span: 432 ft. Roadway: 53.5 ft. Main Spans: 1

Built 1959 By: American Bridge Company of New York, New York and Richardson, Gordon, and Associates of Pittsburgh, Pennsylvania (George S. Richardson)

The smaller of two similar double-deck arch bridges that frame the Point at Pittsburgh.

Fort Pitt Bridge

I-279 and I-376 Over Monongahela River in Pittsburgh: Allegheny County, Pennsylvania, United States

Metal Tied Solid Ribbed Through Arch, Fixed and Approach Spans: Metal Deck Girder, Fixed

Length: 1,207 ft. Main Span: 750 ft. Roadway: 51.8 ft. Main Spans: 1

Built 1959 By: American Bridge Company of New York, New York and Richardson, Gordon, and Associates of Pittsburgh, Pennsylvania (George S. Richardson)

This is the larger of two nearly identical bridges leading to the Point and downtown Pittsburgh.

Glenwood Bridge

PA-885 Over Monongahela River, Railroad, and Carson Street in Pittsburgh: Allegheny County, Pennsylvania, United States

Metal Continuous 18 Panel Bolt-Connected Warren Through Truss, Fixed and Approach Spans: Metal Stringer (Multi-Beam), Fixed

Length: 2,276 ft. Main Span: 567 ft. Roadway: 54 ft. Main Spans: 3

Built 1966 By: Unknown and Richardson, Gordon, and Associates of Pittsburgh, Pennsylvania (George S. Richardson)

This bridge is unusual because most of the trusses are below deck except at the piers where they rise up forming a through truss design.

Portal Bridge

I-279 Over Point State Park Walkway in Pittsburgh: Allegheny County, Pennsylvania, United States

Concrete Closed Spandrel Deck Arch, Fixed

Length: 186 ft. Main Span: 182 ft. Roadway: 154 ft. Main Spans: 1

Built 1968 By: Unknown and Richardson, Gordon, and Associates of Pittsburgh, Pennsylvania (George S. Richardson)

This unusual bridge was designed with aesthetics in mind for the sake of the park it crosses over.

About - Contact