Historic Bridges
of the United States
Dawson Run Bridge
Allegheny County
,
Pennsylvania
Overview
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Terraserver USA
Facts
Overview
Stone arch bridge over Dawson Run on Oak Road
Location
Allegheny County
,
Pennsylvania
Status
Open to traffic
History
Built 1936; rehabilitated 1981
Design
Stone arch
Dimensions
Length of largest span: 24.0 ft.
Total length: 27.9 ft.
Deck width: 27.6 ft.
Approximate latitude, longitude
+40.62500, -79.90000
(decimal degrees)
40°37'30" N, 79°54'00" W
(degrees°minutes'seconds")
Approximate UTM coordinates
17/593034/4497711
(zone/easting/northing)
USGS topographic map
Glenshaw
Inventory numbers
PA 02 1022 0020 0400
(Pennsylvania bridge number)
BH 30235
(Bridgehunter.com ID)
Inspection
(as of 02/2008)
Superstructure condition rating:
Poor
(4 out of 9)
Substructure condition rating:
Critical
(2 out of 9)
Appraisal:
Structurally deficient
Sufficiency rating: 7.0
(out of 100)
Average daily traffic
(as of 2008)
6,633
Categories
Allegheny County, Pennsylvania
(121)
Arch
(7,666)
Built 1936
(500)
Built during 1930s
(5,951)
Deck arch
(6,750)
Open
(21,981)
Owned by state
(6,720)
Pennsylvania
(1,714)
Skewed
(3,682)
Span length under 25 feet
(2,638)
Stone arch
(1,376)
Structurally deficient
(12,026)
Total length 25-50 feet
(5,365)
Comments
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