Facts
- Overview
- Vertical lift bridge over Napa River on CA 121 in Napa
- Location
- Napa, Napa County, California
- Status
- Open to traffic
- History
- Built 1949; rehabilitated 1977
- Design
- Vertical lift
- Dimensions
-
Length of largest span: 131.9 ft.
Total length: 414.1 ft.
Deck width: 29.9 ft.
Vertical clearance above deck: 15.0 ft.
- Approximate latitude, longitude
- +38.28111, -122.28667 (decimal degrees)
38°16'52" N, 122°17'12" W (degrees°minutes'seconds") - Approximate UTM coordinates
- 10/562389/4237246 (zone/easting/northing)
- USGS topographic map
- Napa
- Inventory numbers
- CA 21-75 (California bridge number)
BH 11205 (Bridgehunter.com ID) - Inspection (as of 03/2004)
- Deck condition rating: Serious (3 out of 9)
Superstructure condition rating: Poor (4 out of 9)
Substructure condition rating: Satisfactory (6 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 30.0 (out of 100) - Average daily traffic (as of 1998)
- 24,800