Bridgehunter.com | Porter Road Bridge

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Overview: Covered bridge over Wild Ammonoosuc River on Porter Road in Bath
Location: Grafton County, New Hampshire
Status: Open to traffic
History: Built 1849; rehabilitated 1999
Design: Covered Through truss
Dimensions: Length of largest span: 137.1 ft.
Total length: 160.1 ft.
Deck width: 13.5 ft.
Vertical clearance above deck: 10.2 ft.
Recognition: Posted to the National Register of Historic Places
Approximate latitude, longitude: +44.13361, -71.95056 (decimal degrees)
44°08'01" N, 71°57'02" W (degrees°minutes'seconds")
Approximate UTM coordinates: 19/263970/4890946 (zone/easting/northing)
USGS topographic map: Lisbon
Inventory number: BH 24922 (Bridgehunter.com ID)
Inspection (as of 10/2011): Deck condition rating: Good (7 out of 9)
Superstructure condition rating: Fair (5 out of 9)
Substructure condition rating: Good (7 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 22.1 (out of 100)
Average daily traffic (as of 2008): 320