Historic Bridges of the U.S.

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Vicinity map

Map links:

Overview: Deck truss bridge over Cascade Ravine on S. Main Street in Burlington
Location: Des Moines County, Iowa
Status: Closed in September 2008
Future prospects: Replacement talks underway
History: Built 1896; rehabilitated 1960
Design: Baltimore deck truss
Dimensions: Length of largest span: 160.0 ft.
Total length: 464.0 ft.
Deck width: 29.8 ft.
Approximate latitude, longitude: +40.78129, -91.09854 (decimal degrees)
40°46'53" N, 91°05'55" W (degrees°minutes'seconds")
Approximate UTM coordinates: 15/660447/4516218 (zone/easting/northing)
USGS topographic map: Burlington
Inventory numbers: NRHP 98000793 (National Register of Historic Places reference number)
BH 13389 (Bridgehunter.com ID)
Inspection (as of 08/2007): Deck condition rating: Good (7 out of 9)
Superstructure condition rating: Good (7 out of 9)
Substructure condition rating: Fair (5 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 39.6 (out of 100)
Average daily traffic (as of 2006): 670

Cascade Bridge

Posted May 16, 2009, by Ian Anderson (macsignals [at] gmail [dot] com)

This bridge is doomed: