Rating:
4 votes

Hardin Road Bridge

Photos 

Hardin Road Bridge

Looking West

Photo taken by Craig Philpott in August 2009

Enlarge

BH Photo #144597

Map 

Facts 

Overview
Stone arch bridge over Maxwell Creek on Hardin Road
Location
Napa County, California
Status
Open to traffic
History
Built 1909
Builders
- J.B. Newman (Builder)
- O.H. Buckman
Design
Single Stone arch
Dimensions
Length of largest span: 23.0 ft.
Total length: 38.1 ft.
Deck width: 15.7 ft.
Recognition
Eligible for the National Register of Historic Places
Approximate latitude, longitude
+38.60141, -122.37091   (decimal degrees)
38°36'05" N, 122°22'15" W   (degrees°minutes'seconds")
Approximate UTM coordinates
10/554778/4272733 (zone/easting/northing)
Quadrangle map:
Chiles Valley
Elevation
590 ft. above sea level
Average daily traffic (as of 2014)
140
Inventory numbers
CA 21C-58 (California bridge number)
BH 11197 (Bridgehunter.com ID)
Inspection report (as of August 2017)
Overall condition: Fair
Superstructure condition rating: Fair (5 out of 9)
Substructure condition rating: Fair (5 out of 9)
Sufficiency rating: 44.3 (out of 100)
View more at BridgeReports.com

Categories 

Arch (11,440)
Built 1909 (710)
Built during 1900s (6,714)
California (2,258)
Deck arch (10,682)
J.B. Newman (1)
NR-eligible (4,000)
Napa County, California (82)
O.H. Buckman (3)
One-lane traffic (7,532)
Open (38,350)
Owned by county (19,733)
Skewed (4,800)
Span length under 25 feet (6,396)
Stone arch (2,752)
Structurally deficient (16,982)
Total length 25-50 feet (10,574)

Update Log 

  • February 14, 2010: Updated by Craig Philpott: Corrected GPS coordinates
  • August 8, 2009: Updated by Craig Philpott: added builder, elevation

Sources