BridgeSeek

Historic Bridges: Modjeski and Masters (Ralph Modjeski)

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.

Results in this list will be limited to the first 200 results. Consider performing a more narrow search from the main BridgeSeek tool if your search here is showing 200 results.

Total Bridges Found: 5

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Ambassador Bridge
HSR

I-75 Ramp / KH-3 Over Detroit River in Detroit and Windsor: Wayne County, Michigan and Essex County, Ontario, Canada and United States

Metal Pony Truss Stiffening Wire Cable Suspension, Fixed

Length: 7,500 ft. Main Span: 1,850 ft. Roadway: 55 ft. Main Spans: 1

Built 1929 By: McClintic-Marshall Company of Pittsburgh, Pennsylvania and Modjeski and Masters (Ralph Modjeski)

Serving as the centerpiece landmark for Detroit and Windsor, this privately-owned bridge was once the longest suspension bridge in the world.

Benjamin Franklin Bridge
Ben Franklin Bridge
HSR

I-676 (US-30) and PATCO Over Delaware River and Streets in Philadelphia: Philadelphia County, Pennsylvania and Camden County, New Jersey, United States

Metal Pony Truss Stiffening Wire Cable Suspension, Fixed and Approach Spans: Metal Rivet-Connected Warren Deck Truss, Fixed

Length: 8,170 ft. Main Span: 1,750 ft. Roadway: 77.8 ft. Main Spans: 3

Built 1926 By: American Bridge Company of New York, New York and Modjeski and Masters (Ralph Modjeski)

The longest suspension span in the world when first built, this bridge remains one of the best examples of its kind in the country.

Blue Water Bridge
Original/Westbound Span
HSR

I-69 and I-94 / KH-402 Over St. Clair River in Port Huron and Sarnia (Point Edward): St. Clair County, Michigan and Lambton County, Ontario, Canada and United States

Metal Cantilever (Arched) Rivet-Connected Polygonal Warren Through Truss, Fixed and Approach Spans: Metal Rivet-Connected Warren Deck Truss, Fixed

Length: 6,178 ft. Main Span: 871 ft. Roadway: 32 ft. Main Spans: 3

Built 1938 By: American Bridge Company of New York, New York and Modjeski and Masters (Ralph Modjeski)

Designed by Modjeski and Masters, this monumental bridge features an extremely rare shape of cantilever and continues to carry unimaginable traffic.

X
I-74 Bridges
Iowa-Illinois Memorial Bridge
HSR

I-74 Over Mississippi River in Bettendorf and Moline: Scott County, Iowa and Rock Island County, Illinois, United States

Metal Pony Truss Stiffening Wire Cable Suspension, Fixed and Approach Spans: Metal Continuous Rivet-Connected Warren Pony Truss, Fixed

Length: 5,018 ft. Main Span: 740 ft. Roadway: 23.3 ft. Main Spans: 3

Built 1935 By: McClintic-Marshall Company of Pittsburgh, Pennsylvania and Modjeski and Masters (Ralph Modjeski)

One built in 1935 and one built in 1960, this unique pair of amazingly identical suspension bridges also has an impressive continuous pony truss approach system.

Market Street Bridge
HSR

Market Street (PA-3012) Over Susquehanna River in Harrisburg: Dauphin County, Pennsylvania, United States

Concrete (Stone Faced) Closed Spandrel Deck Arch, Fixed

Length: 1,415 ft. Main Span: 89 ft. Roadway: 40 ft. Main Spans: 16

Built 1928 By: James McGraw Company of Philadelphia, Pennsylvania and Modjeski and Masters (Ralph Modjeski)

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