Rating:
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Seminary Street Bridge

Photos 

Seminary St bridge

West face looking south.

Photo taken by Craig Philpott in August 2009

Enlarge

BH Photo #145613

Map 

Facts 

Overview
Stone arch bridge over Napa Creek on Seminary Street in Napa
Location
Napa, Napa County, California
Status
Open to traffic
History
Built 1904; rehabilitated 1933
Design
Stone arch
Dimensions
Length of largest span: 46.9 ft.
Total length: 55.1 ft.
Deck width: 50.9 ft.
Approximate latitude, longitude
+38.30083, -122.29000   (decimal degrees)
38°18'03" N, 122°17'24" W   (degrees°minutes'seconds")
Approximate UTM coordinates
10/562080/4239432 (zone/easting/northing)
Quadrangle map:
Napa
Average daily traffic (as of 2011)
1,446
Inventory numbers
CA 21C-92 (California bridge number)
BH 11211 (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)
Sufficiency rating: 63 (out of 100)
View more at BridgeReports.com

Categories 

Arch (11,440)
Built 1904 (515)
Built during 1900s (6,714)
California (2,258)
Deck arch (10,682)
Functionally obsolete (7,460)
Napa County, California (82)
Napa, California (22)
Open (38,350)
Owned by city (4,860)
Skewed (4,800)
Span length 25-50 feet (14,713)
Stone arch (2,752)
Total length 50-75 feet (8,902)

Update Log 

  • August 23, 2009: New photos from Craig Philpott

Sources 

Comments 

Seminary Street Bridge Repairs begin
Posted January 20, 2011, by Craig Philpott (cphilpott [at] puc [dot] edu)

Contracters have begun repair work on this bridge per this article in local paper.

http://napavalleyregister.com/news/local/image_50683a9a-0971...

Seminary Street Bridge
Posted October 11, 2010, by Craig Philpott (cphilpott [at] puc [dot] edu)

The City of Napa has contracted to have this bridge repaired in a "historically sensitive" way. Damaged stone rail has been protected by concrete curbs for years and now actual repair may be completed.