Historic Bridges
of the United States
Gastown Bridge
Armstrong County
,
Pennsylvania
Overview
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Terraserver USA
Facts
Overview
Pony truss bridge over Plum Creek on TR 690
Location
Armstrong County
,
Pennsylvania
Status
Open to traffic
History
Built ca. 1908 by the Penn Bridge Co.
Builder
-
Penn Bridge Co.
Design
Pratt pony truss
Dimensions
Total length: 102.0 ft.
Deck width: 13.2 ft.
Approximate latitude, longitude
+40.71167, -79.30500
(decimal degrees)
40°42'42" N, 79°18'18" W
(degrees°minutes'seconds")
Approximate UTM coordinates
17/643174/4508131
(zone/easting/northing)
USGS topographic map
Elderton
Inventory numbers
PA 03 7219 0690 0009
(Pennsylvania bridge number)
BH 30339
(Bridgehunter.com ID)
Inspection
(as of 04/2007)
Deck condition rating:
Fair
(5 out of 9)
Superstructure condition rating:
Poor
(4 out of 9)
Substructure condition rating:
Fair
(5 out of 9)
Appraisal:
Structurally deficient
Sufficiency rating: 22.8
(out of 100)
Average daily traffic
(as of 2006)
40
Categories
Armstrong County, Pennsylvania
(18)
Built during 1900s
(2,518)
One-lane traffic
(6,989)
Open
(22,291)
Owned by county
(14,358)
Penn Bridge Co.
(18)
Pennsylvania
(1,714)
Pony truss
(9,534)
Pratt pony truss
(535)
Pratt truss
(1,666)
Skewed
(3,684)
Structurally deficient
(12,075)
Total length 100-125 feet
(2,507)
Truss
(16,266)
Comments
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