Length of largest span: 49.9 ft.
Total length: 176.8 ft.
Deck width: 18.4 ft.
Recognition
Posted to the National Register of Historic Places on October 5, 1972
Also called
Napa River Bridge
Approximate latitude, longitude
+38.51117, -122.45581(decimal degrees) 38°30'40" N, 122°27'21" W (degrees°minutes'seconds")
Approximate UTM coordinates
10/547445/4262672 (zone/easting/northing)
USGS topographic map
Saint Helena
Inventory numbers
CA 21C-109 (California bridge number)
NRHP 72000241 (National Register of Historic Places reference number)
BH 11206 (Bridgehunter.com ID)
Inspection (as of 08/2011)
Superstructure condition rating: Satisfactory(6 out of 9) Substructure condition rating: Satisfactory(6 out of 9) Appraisal: Functionally obsolete
Sufficiency rating: 49.4 (out of 100)
Average daily traffic (as of 2005)
2,790
Categories
Update Log
December 9, 2012: New photo from Craig Philpott
March 6, 2012: Updated by Craig Philpott: refined name