Historic Bridges
of the United States
Dorrington Road Bridge
Allegheny County
,
Pennsylvania
Overview
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TopoZone
Terraserver USA
Facts
Overview
Through truss bridge over Robinson Run on Dorrington Road
Location
Allegheny County
,
Pennsylvania
Status
Open to traffic
History
Built 1888
Design
Through truss
Dimensions
Length of largest span: 55.1 ft.
Total length: 60.0 ft.
Deck width: 15.7 ft.
Recognition
Eligible for the National Register of Historic Places
Approximate latitude, longitude
+40.39500, -80.11000
(decimal degrees)
40°23'42" N, 80°06'36" W
(degrees°minutes'seconds")
Inventory numbers
PA 02 3117 0020 1056
(Pennsylvania bridge number)
BH 30237
(Bridgehunter.com ID)
Inspection
(as of 10/2005)
Deck condition rating:
Poor
(4 out of 9)
Superstructure condition rating:
Poor
(4 out of 9)
Substructure condition rating:
Poor
(4 out of 9)
Appraisal:
Structurally deficient
Sufficiency rating: 29.9
(out of 100)
Average daily traffic
(as of 2006)
665
Categories
19th Century
(1,704)
Allegheny County, Pennsylvania
(121)
Built 1888
(44)
Built during 1880s
(477)
NR-eligible
(2,570)
Open
(21,541)
Owned by state
(6,496)
Pennsylvania
(1,694)
Span length 50-75 feet
(4,624)
Structurally deficient
(10,771)
Through truss
(5,175)
Total length 50-75 feet
(4,927)
Truss
(15,706)
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