Historic Bridges
of the United States
Senn Bridge
Butler County
,
Pennsylvania
Overview
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TopoZone
Terraserver USA
Facts
Overview
Pony truss bridge over Little Connoquenessing Creek on TR 323
Location
Butler County
,
Pennsylvania
Status
Open to traffic
History
Built 1929
Design
Polygonal Warren pony truss
Dimensions
Length of largest span: 86.0 ft.
Total length: 90.9 ft.
Deck width: 19.7 ft.
Recognition
Eligible for the National Register of Historic Places
Approximate latitude, longitude
+40.80000, -80.10000
(decimal degrees)
40°47'60" N, 80°05'60" W
(degrees°minutes'seconds")
Inventory numbers
PA 10 7217 0323 0097
(Pennsylvania bridge number)
BH 30584
(Bridgehunter.com ID)
Inspection
(as of 08/2005)
Deck condition rating:
Fair
(5 out of 9)
Superstructure condition rating:
Fair
(5 out of 9)
Substructure condition rating:
Fair
(5 out of 9)
Appraisal:
Functionally obsolete
Sufficiency rating: 44.8
(out of 100)
Average daily traffic
(as of 2002)
750
Categories
Built 1929
(463)
Built during 1920s
(4,076)
Butler County, Pennsylvania
(13)
Functionally obsolete
(5,080)
NR-eligible
(2,575)
Open
(21,701)
Owned by county
(14,205)
Pennsylvania
(1,696)
Polygonal Warren truss
(103)
Pony truss
(9,431)
Span length 75-100 feet
(3,276)
Total length 75-100 feet
(3,344)
Truss
(15,934)
Comments
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