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Jefferson Street Bridge

Photos 

Jeffeerson St

East side showing addition

Photo taken by Craig Philpott in August 2009

Enlarge

BH Photo #145603

Map 

Facts 

Overview
Concrete arch bridge over Napa Creek on Jefferson Street in Napa
Location
Napa, Napa County, California
Status
Open to traffic, no historical elements visible
History
Built 1904; rehabilitated 1970
Design
Closed spandrel Stone arch supplemented with concrete post and beam on east side.
Dimensions
Length of largest span: 48.9 ft.
Total length: 99.1 ft.
Deck width: 58.1 ft.
Also called
Napa Creek Bridge Jefferson Street
Approximate latitude, longitude
+38.30083, -122.29333   (decimal degrees)
38°18'03" N, 122°17'36" W   (degrees°minutes'seconds")
Approximate UTM coordinates
10/561789/4239430 (zone/easting/northing)
Quadrangle map:
Napa
Average daily traffic (as of 2017)
15,691
Inventory numbers
CA 21C-10 (California bridge number)
BH 11198 (Bridgehunter.com ID)
Inspection report (as of August 2017)
Overall condition: Good
Superstructure condition rating: Good (7 out of 9)
Substructure condition rating: Good (7 out of 9)
Deck condition rating: Good (7 out of 9)
Sufficiency rating: 66 (out of 100)
View more at BridgeReports.com

Categories 

Arch (11,443)
Built 1904 (515)
Built during 1900s (6,716)
California (2,267)
Closed-spandrel arch (3,728)
Deck arch (10,685)
Napa County, California (82)
Napa, California (22)
Open (38,388)
Owned by city (4,862)
Skewed (4,802)
Span length 25-50 feet (14,727)
Total length 75-100 feet (6,300)

Update Log 

  • February 18, 2010: Updated by Craig Philpott: Corrected design
  • August 23, 2009: Updated by Craig Philpott: Expanded description

Sources