Historic Bridges
of the United States
Dobson Road Bridge
Jefferson County
,
Pennsylvania
Overview
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Map
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TopoZone
Terraserver USA
Facts
Overview
Pony truss bridge over Big Run on Dobson Road
Location
Jefferson County
,
Pennsylvania
Status
Open to traffic
History
Built 1901
Design
Pratt pony truss
Dimensions
Length of largest span: 65.0 ft.
Total length: 69.9 ft.
Deck width: 11.2 ft.
Recognition
Eligible for the National Register of Historic Places
Approximate latitude, longitude
+41.02167, -79.13000
(decimal degrees)
41°01'18" N, 79°07'48" W
(degrees°minutes'seconds")
Approximate UTM coordinates
17/657222/4542846
(zone/easting/northing)
USGS topographic map
Summerville
Inventory numbers
PA 33 7216 0385 0001
(Pennsylvania bridge number)
BH 31036
(Bridgehunter.com ID)
Inspection
(as of 07/2007)
Deck condition rating:
Fair
(5 out of 9)
Superstructure condition rating:
Serious
(3 out of 9)
Substructure condition rating:
Fair
(5 out of 9)
Appraisal:
Structurally deficient
Sufficiency rating: 19.8
(out of 100)
Average daily traffic
(as of 2007)
50
Categories
Built 1901
(150)
Built during 1900s
(2,520)
Jefferson County, Pennsylvania
(13)
NR-eligible
(2,623)
One-lane traffic
(6,990)
Open
(22,301)
Owned by county
(14,359)
Pennsylvania
(1,716)
Pony truss
(9,534)
Pratt pony truss
(535)
Pratt truss
(1,669)
Span length 50-75 feet
(4,770)
Structurally deficient
(12,077)
Total length 50-75 feet
(5,062)
Truss
(16,277)
Wooden deck
(5,164)
Comments
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