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Thomas Trestle

Ketchikan Gateway Borough, Alaska
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Facts 

Note: The following information comes from the National Bridge Inventory and has not been verified.
Overview
Wooden bridge in Ketchikan
Location
Ketchikan, Ketchikan Gateway Borough, Alaska
Status
Open to traffic
History
Built 1960
Design
Timber stringer
Dimensions
Length of largest span: 17.1 ft.
Total length: 383.9 ft.
Deck width: 20.3 ft.
Approximate latitude, longitude
+55.34000, -131.63833   (decimal degrees)
55°20'24" N, 131°38'18" W   (degrees°minutes'seconds")
Approximate UTM coordinates
9/332680/6135796 (zone/easting/northing)
Inventory numbers
AK 1473 (Alaska bridge number)
BH 10021 (Bridgehunter.com ID)
Inspection (as of 06/2011)
Deck condition rating: Poor (4 out of 9)
Superstructure condition rating: Poor (4 out of 9)
Substructure condition rating: Fair (5 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 48.7 (out of 100)
Average daily traffic (as of 2010)
400

Categories 

Alaska (79)
Beam (6,034)
Built 1960 (171)
Built during 1960s (1,213)
Ketchikan Gateway Borough, Alaska (11)
Ketchikan, Alaska (8)
One-lane traffic (7,111)
 Open (28,293)
Owned by city (3,044)
Skewed (4,080)
Span length under 25 feet (4,079)
Timber stringer (1,854)
Total length 250-500 feet (3,367)
Wooden deck (5,397)

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