Facts
- Overview
- Open-spandrel arch bridge over Shell Rock River on Spring Street in Rock Falls
- Location
- Cerro Gordo County, Iowa
- Status
- Open to traffic
- History
- Built 1929 by C.A. Holvik of Mason City, Iowa
- Builder
- - C.A. Holvik
- Design
- Open-spandrel arch
- Dimensions
-
Length of largest span: 140.1 ft.
Total length: 142.1 ft.
Deck width: 19.7 ft.
- Recognition
- Posted to the National Register of Historic Places
- Approximate latitude, longitude
- +43.20644, -93.08452 (decimal degrees)
43°12'23" N, 93°05'04" W (degrees°minutes'seconds") - Approximate UTM coordinates
- 15/493134/4783743 (zone/easting/northing)
- USGS topographic map
- Nora Springs
- Inventory numbers
- NRHP 98000742 (National Register of Historic Places reference number)
BH 13094 (Bridgehunter.com ID) - Inspection (as of 01/2006)
- Deck condition rating: Very Good (8 out of 9)
Superstructure condition rating: Good (7 out of 9)
Substructure condition rating: Good (7 out of 9)
Appraisal: Functionally obsolete
Sufficiency rating: 63.5 (out of 100) - Average daily traffic (as of 2005)
- 1,300