Facts
- Overview
- Stone arch bridge over York Creek on CA 29 in Saint Helena
- Location
- St. Helena, Napa County, California
- Status
- Open to traffic
- History
- Built 1902; rehabilitated 1942
- Design
- Stone arch
- Dimensions
-
Length of largest span: 30.8 ft.
Total length: 35.1 ft.
Deck width: 39.0 ft.
- Approximate latitude, longitude
- +38.51000, -122.47833 (decimal degrees)
38°30'36" N, 122°28'42" W (degrees°minutes'seconds") - Approximate UTM coordinates
- 10/545482/4262531 (zone/easting/northing)
- USGS topographic map
- Saint Helena
- Inventory numbers
- CA 21-17 (California bridge number)
BH 11217 (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: 62.6 (out of 100) - Average daily traffic (as of 1997)
- 15,000