Facts
- Overview
- Pony truss bridge over Vermillion River on 461st Avenue, 4.2 mi. south and 9 mi. east of Irene in Riverside Township
- Location
- Clay County, South Dakota
- Status
- Open to traffic
- History
- Built 1912 by the Federal Bridge Co.
- Builder
- - Federal Bridge Co.
- Design
- Polygonal Warren pony truss
- Dimensions
-
Length of largest span: 80.4 ft.
Total length: 123.4 ft.
Deck width: 15.7 ft.
- Recognition
- Posted to the National Register of Historic Places
- Approximate latitude, longitude
- +43.02300, -96.98258 (decimal degrees)
43°01'23" N, 96°58'57" W (degrees°minutes'seconds") - Approximate UTM coordinates
- 14/664377/4765343 (zone/easting/northing)
- USGS topographic map
- Centerville
- Inventory numbers
- NRHP 99001700 (National Register of Historic Places reference number)
SD 14-090-042 (South Dakota bridge number)
BH 32180 (Bridgehunter.com ID) - Inspection (as of 09/2006)
- Deck condition rating: Fair (5 out of 9)
Superstructure condition rating: Poor (4 out of 9)
Substructure condition rating: Fair (5 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 26.1 (out of 100) - Average daily traffic (as of 2005)
- 97