Facts
- Overview
- Stone arch bridge over Ritchie Creek on CA 29
- Location
- Napa County, California
- Status
- Open to traffic
- History
- Built 1900; rehabilitated 1940
- Design
- Stone arch
- Dimensions
-
Length of largest span: 16.1 ft.
Total length: 21.0 ft.
Deck width: 37.1 ft.
- Approximate latitude, longitude
- +38.55167, -122.51833 (decimal degrees)
38°33'06" N, 122°31'06" W (degrees°minutes'seconds") - Approximate UTM coordinates
- 10/541970/4267136 (zone/easting/northing)
- USGS topographic map
- Calistoga
- Inventory numbers
- CA 21-57 (California bridge number)
BH 11209 (Bridgehunter.com ID) - Inspection (as of 04/2007)
- Deck condition rating: Good (7 out of 9)
Superstructure condition rating: Very Good (8 out of 9)
Substructure condition rating: Good (7 out of 9)
Sufficiency rating: 70.0 (out of 100) - Average daily traffic (as of 1997)
- 15,000