Rating:
1 vote

Aetna Springs Road Bridge

Photos 

Aetna Springs Road Bridge

Photo taken by Craig Philpott in August 2009

Enlarge

BH Photo #144591

Map 

Street View 

Facts 

Overview
Stone arch bridge over Swartz Creek on Aetna Springs Road
Location
Napa County, California
Status
Open to traffic
History
Built 1912
Builder
- Martini Co.
Design
Single Stone arch
Dimensions
Length of largest span: 42.0 ft.
Total length: 54.1 ft.
Deck width: 15.4 ft.
Recognition
Eligible for the National Register of Historic Places
Also called
Swartz Creek Bridge
Schwartz Creek Bridge
Approximate latitude, longitude
+38.65278, -122.47583   (decimal degrees)
38°39'10" N, 122°28'33" W   (degrees°minutes'seconds")
Approximate UTM coordinates
10/545609/4278376 (zone/easting/northing)
Quadrangle map:
Aetna Springs
Elevation
734 ft. above sea level
Inventory numbers
CA 21C-46 (California bridge number)
BH 11187 (Bridgehunter.com ID)
Inspection (as of 11/2014)
Superstructure condition rating: Very Good (8 out of 9)
Substructure condition rating: Very Good (8 out of 9)
Appraisal: Functionally obsolete
Sufficiency rating: 55.4 (out of 100)
Average daily traffic (as of 2014)
346

Categories 

Arch (11,192)
Built 1912 (729)
Built during 1910s (8,748)
California (2,307)
Deck arch (10,431)
Have street view (22,058)
Martini Co. (1)
NR-eligible (3,971)
Napa County, California (75)
One-lane traffic (7,421)
Open (36,533)
Owned by county (18,847)
Span length 25-50 feet (13,556)
Stone arch (2,649)
Structurally deficient (18,414)
Total length 50-75 feet (8,429)

Update Log 

  • May 3, 2013: Updated by Craig Philpott: Added alternate creek name spelling
  • March 26, 2010: Updated by Craig Philpott: added street view
  • August 8, 2009: Updated by Craig Philpott: Added builder name

Sources