Map 

Vicinity Map

Vicinity map

Map links:

Facts 

Overview
Stone arch bridge over Napa River on Zinfandel Lane
Location
Napa County, California
Status
Open to traffic
History
Built 1913
Design
Stone arch
Dimensions
Length of largest span: 43.0 ft.
Total length: 95.1 ft.
Deck width: 19.4 ft.
Recognition
Eligible for the National Register of Historic Places
Approximate latitude, longitude
+38.49500, -122.42583   (decimal degrees)
38°29'42" N, 122°25'33" W   (degrees°minutes'seconds")
Approximate UTM coordinates
10/550069/4260894 (zone/easting/northing)
USGS topographic map
Rutherford
Inventory numbers
CA 21C-2 (California bridge number)
BH 11218 (Bridgehunter.com ID)
Inspection (as of 10/2007)
Superstructure condition rating: Very Good (8 out of 9)
Substructure condition rating: Serious (3 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 6.0 (out of 100)
Average daily traffic (as of 2005)
2,600

Categories 

Arch (7,666)
Built 1913 (325)
Built during 1910s (4,375)
California (1,066)
Deck arch (6,750)
NR-eligible (2,606)
Napa County, California (32)
Open (22,111)
Owned by county (14,330)
Skewed (3,682)
Span length 25-50 feet (6,211)
Stone arch (1,376)
Structurally deficient (12,037)
Total length 75-100 feet (3,393)