Facts
- Overview
- Lost pony truss bridge over Rock Slough on Delta Road
- Location
- Contra Costa County, California
- Status
- No longer exists
- History
- Built ca. 1940; rehabilitated 1974; replaced 2001
- Design
- Pony truss
- Dimensions
-
Length of largest span: 44.9 ft.
Total length: 164.1 ft.
Deck width: 12.5 ft.
- Approximate latitude, longitude
- +37.97833, -121.61667 (decimal degrees)
37°58'42" N, 121°37'00" W (degrees°minutes'seconds") - Inventory numbers
- CA 28C-82 (California bridge number)
BH 10850 (Bridgehunter.com ID) - Inspection (as of 10/1998)
- Deck condition rating: Satisfactory (6 out of 9)
Superstructure condition rating: Good (7 out of 9)
Substructure condition rating: Satisfactory (6 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 27.3 (out of 100) - Average daily traffic (as of 1998)
- 788