Rating:
2 votes

Oak Knoll Avenue Bridge

Photo 

Oak Knoll Ave Napa River Bypass

Looking south.

Photo taken by Craig Philpott in August 2009

Enlarge

BH Photo #145739

Map 

Facts 

Overview
Stone arch bridge over Napa River Overflow on Oak Knoll Avenue
Location
Napa County, California
Status
Open to traffic
History
Built 1910
Design
Stone arch
Dimensions
Length of largest span: 20.0 ft.
Total length: 36.1 ft.
Deck width: 23.0 ft.
Approximate latitude, longitude
+38.36896, -122.30218   (decimal degrees)
38°22'08" N, 122°18'08" W   (degrees°minutes'seconds")
Approximate UTM coordinates
10/560958/4246983 (zone/easting/northing)
Quadrangle map:
Napa
Average daily traffic (as of 2005)
2,600
Inventory numbers
CA 21C-104 (California bridge number)
BH 11207 (Bridgehunter.com ID)
Inspection report (as of May 2017)
Overall condition: Fair
Superstructure condition rating: Fair (5 out of 9)
Substructure condition rating: Fair (5 out of 9)
Deck condition rating: Good (7 out of 9)
Sufficiency rating: 44.6 (out of 100)
View more at BridgeReports.com

Categories 

Arch (11,440)
Built 1910 (1,087)
Built during 1910s (9,170)
California (2,258)
Deck arch (10,682)
Functionally obsolete (7,461)
Napa County, California (82)
Open (38,343)
Owned by county (19,729)
Span length under 25 feet (6,393)
Stone arch (2,752)
Total length 25-50 feet (10,570)

Update Log 

  • January 22, 2010: Updated by Craig Philpott: Corrected GPS data
  • August 29, 2009: New photo from Craig Philpott

Sources