Historic Bridges of the U.S. | Washington Mill Bridge

Photos

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Looking north

Photos taken by J.R. Manning

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Looking south

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Weight limit sign

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Overhead

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Upper chord

Overview: Bowstring truss bridge over Lytle Creek on Creek Branch Lane, east of Bernard
Location: Dubuque County, Iowa
Status: Open to traffic on a dead-end road
History: Built 1878 by the Massillon Bridge Co.
Builder: - Massillon Bridge Co. of Massillon, Ohio
Design: Bowstring through truss
Dimensions: Length of largest span: 113.2 ft.
Total length: 114.2 ft.
Deck width: 13.8 ft.
Vertical clearance above deck: 16.0 ft.
Recognition: Posted to the National Register of Historic Places
Approximate latitude, longitude: +42.30361, -90.78167 (decimal degrees)
42°18'13" N, 90°46'54" W (degrees°minutes'seconds")
Approximate UTM coordinates: 15/682845/4685869 (zone/easting/northing)
Land survey: T. 87 N., R. 2 E., Sec. 31
USGS topographic map: Bernard
Inventory numbers: IA 145870 (Iowa bridge number)
NRHP 98000788 (National Register of Historic Places reference number)
BH 13444 (Bridgehunter.com ID)
Inspection (as of 04/2007): Deck condition rating: Satisfactory (6 out of 9)
Superstructure condition rating: Satisfactory (6 out of 9)
Substructure condition rating: Good (7 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 43.5 (out of 100)
Average daily traffic (as of 2005): 10