Historic Bridges
of the United States
Commercial Street Bridge
Allegheny County
,
Pennsylvania
Overview
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Facts
Overview
Open-spandrel arch bridge over Commercial Street on I-376 in Pittsburgh
Location
Pittsburgh
,
Allegheny County
,
Pennsylvania
Status
Open to traffic
History
Built 1950; rehabilitated 1981
Design
Open-spandrel arch
Dimensions
Length of largest span: 175.9 ft.
Total length: 862.9 ft.
Deck width: 67.9 ft.
Recognition
Eligible for the National Register of Historic Places
Approximate latitude, longitude
+40.43000, -79.90833
(decimal degrees)
40°25'48" N, 79°54'30" W
(degrees°minutes'seconds")
Inventory numbers
PA 02 0376 0054 1073
(Pennsylvania bridge number)
BH 30233
(Bridgehunter.com ID)
Inspection
(as of 06/2005)
Deck condition rating:
Satisfactory
(6 out of 9)
Superstructure condition rating:
Fair
(5 out of 9)
Substructure condition rating:
Fair
(5 out of 9)
Appraisal:
Not deficient
Sufficiency rating: 57.9
(out of 100)
Average daily traffic
(as of 2006)
116,488
Categories
Allegheny County, Pennsylvania
(121)
Arch
(7,542)
Built 1950
(243)
Built during 1950s
(1,393)
Deck arch
(6,639)
I-376
(5)
NR-eligible
(2,570)
Open
(21,541)
Open-spandrel arch
(194)
Owned by state
(6,496)
Pennsylvania
(1,694)
Pittsburgh, Pennsylvania
(48)
Span length 175-250 feet
(978)
Total length 500-1000 feet
(987)
Comments
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