Rating:
3 votes

Old Sonoma Road Bridge

Photos 

Carneros Crk Bridge

Looking east, north face of bridge.

Photo taken by Craig Philpott in August 2009

Enlarge

BH Photo #145740

Map 

Facts 

Overview
Stone arch bridge over Carneros Creek on Old Sonoma Road in Napa
Location
Napa, Napa County, California
Status
Open to traffic
History
Built 1896; rehabilitated 1914
Design
Stone arch
Dimensions
Length of largest span: 30.5 ft.
Total length: 35.1 ft.
Deck width: 24.6 ft.
Recognition
Eligible for the National Register of Historic Places
Approximate latitude, longitude
+38.25694, -122.34000   (decimal degrees)
38°15'25" N, 122°20'24" W   (degrees°minutes'seconds")
Approximate UTM coordinates
10/557743/4234530 (zone/easting/northing)
Quadrangle map:
Napa
Average daily traffic (as of 2012)
1,959
Inventory numbers
CA 21C-17 (California bridge number)
BH 11208 (Bridgehunter.com ID)
Inspection report (as of May 2016)
Overall condition: Good
Superstructure condition rating: Good (7 out of 9)
Substructure condition rating: Very Good (8 out of 9)
Sufficiency rating: 56.5 (out of 100)
View more at BridgeReports.com

Categories 

19th Century (6,801)
Arch (11,443)
Built 1896 (247)
Built during 1890s (2,712)
California (2,267)
Deck arch (10,685)
NR-eligible (4,002)
Napa County, California (82)
Napa, California (22)
Open (38,388)
Owned by county (19,748)
Span length 25-50 feet (14,727)
Stone arch (2,754)
Structurally deficient (16,975)
Total length 25-50 feet (10,581)

Update Log 

  • August 29, 2009: New photos from Craig Philpott

Sources