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Okanogan River Bascule Bridge

Photos 

spanning washington book

Enlarge

BH Photo #422585

Map 

Description 

An impressive crowd turned out for the inauguration of the new drawbridge at Riverside on March 15, 1905. The Enterprise steamed up and blew its whistle signaling the operator to open the draw and allow the ship to make the initial passage through the span. The single leaf bascule span swung to the fully open position and kept going, crashing through the stops, arced over the adjacent span and smashed both to bits. The counterweight had been loaded early in the construction and no adjustment had been made to account for the loss of moisture as the green timbers of the bridge dried out. The weight loss was later calculated at over a ton.

Facts 

Overview
Lost Timber stringer bridge with single leaf bascule span over Okanogan River
Location
Riverside, Okanogan County, Washington
Status
No longer exists
History
Built 1905; Partially collapsed on opening day and repaired; Replaced 1910
Design
Timber stringer with single leaf bascule drawspan
Approximate latitude, longitude
+48.35946, -119.58198   (decimal degrees)
48°21'34" N, 119°34'55" W   (degrees°minutes'seconds")
Approximate UTM coordinates
11/308744/5359475 (zone/easting/northing)
Inventory number
BH 81157 (Bridgehunter.com ID)

Categories 

Bascule (1,038)
Beam (14,421)
Built 1905 (761)
Built during 1900s (6,819)
Lost (22,396)
Lost 1910 (42)
Lost during 1910s (434)
Movable (2,855)
Navigable waterway (2,092)
Okanogan County, Washington (21)
Riverside, Washington (1)
Timber stringer (3,713)
Washington (1,217)

Update Log 

  • April 20, 2018: Updated by Richard Doody: Added historical data to description
  • April 19, 2018: New photo from Douglas Butler
  • April 12, 2018: Added by Leslie R trick

Related Bridges 

Sources 

  • Leslie R Trick - Leslie [dot] Trick [at] gmail [dot] com
  • Douglas Butler
  • Richard Doody