Facts
- Overview
- Through truss bridge over Upper Iowa River on Hartley Drive
- Location
- Allamakee County, Iowa
- Status
- Closed to all traffic in 2006
- History
- Built 1914 by the Clinton Bridge & Iron Works
- Builders
- - Chambers and Dobson (Substructure)
- Clinton Bridge & Iron Works of Clinton, Iowa (Superstructure)
- Design
- Pratt through truss
- Dimensions
-
Length of largest span: 120.1 ft.
Total length: 122.1 ft.
Deck width: 16.1 ft.
Vertical clearance above deck: 15.0 ft.
- Recognition
- Posted to the National Register of Historic Places on June 25, 1998
- Approximate latitude, longitude
- +43.43193, -91.41162 (decimal degrees)
43°25'55" N, 91°24'42" W (degrees°minutes'seconds") - Approximate UTM coordinates
- 15/628556/4810007 (zone/easting/northing)
- USGS topographic map
- Waukon NW
- Inventory numbers
- NRHP 98000772 (National Register of Historic Places reference number)
BH 12800 (Bridgehunter.com ID) - Inspection (as of 01/2006)
- Deck condition rating: Poor (4 out of 9)
Superstructure condition rating: Poor (4 out of 9)
Substructure condition rating: Serious (3 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 19.3 (out of 100) - Average daily traffic (as of 2005)
- 200