Bridgehunter.com | Birch Street Viaduct

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Overview: Wooden bridge on Birch Street in Petersburg
Location: Wrangell-Petersburg Census Area, Alaska
Status: Open to traffic
History: Built 1960; rehabilitated 1979
Design: Timber stringer
Dimensions: Length of largest span: 9.8 ft.
Total length: 700.2 ft.
Deck width: 13.5 ft.
Approximate latitude, longitude: +56.81000, -132.95500 (decimal degrees)
56°48'36" N, 132°57'18" W (degrees°minutes'seconds")
Approximate UTM coordinates: 8/624851/6298101 (zone/easting/northing)
Inventory numbers: AK 1453 (Alaska bridge number)
BH 10066 (Bridgehunter.com ID)
Inspection (as of 05/2011): 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: 20.1 (out of 100)
Average daily traffic (as of 2010): 200