Rating:
1 vote

Boards Crossing Bridge

Calaveras County, California, and Tuolumne County, California

Photos 

South end

Notice the collapsed railing

Photo taken by Erik Hoffman in July 2018

Enlarge

BH Photo #430607

Map 

Description 

Was bypassed in 1999 by paved road and concrete bridge, but the old dirt alignment remains open, along with the bridge. Also used often by residents of the Boards Crossing community from both sides of the river.

Facts 

Overview
Warren pony truss bridge with alternating verticals over the North Fork Stanislaus River on Boards Crossing Road (Forest Route 5N75)
Location
Dorrington, Calaveras County, California, and Tuolumne County, California
Status
Open to traffic
History
Built 1926, replacing a ford through the river
Design
6-panel Warren pony truss with alternating verticals, steel stringer approaches.
Dimensions
Length of largest span: 101.1 ft.
Total length: 166.0 ft.
Deck width: 10.2 ft.
Also called
Old Sourgrass Bridge
Old Boards Crossing Bridge
Approximate latitude, longitude
+38.30439, -120.23433   (decimal degrees)
38°18'16" N, 120°14'04" W   (degrees°minutes'seconds")
Approximate UTM coordinates
10/741833/4243208 (zone/easting/northing)
Elevation
3925 ft. above sea level
Average daily traffic
50
Inventory number
BH 82159 (Bridgehunter.com ID)
Inspection report (as of June 2018)
Overall condition: Poor
Superstructure condition rating: Fair (5 out of 9)
Substructure condition rating: Critical (2 out of 9)
Deck condition rating: Fair (5 out of 9)
Sufficiency rating: 24 (out of 100)
View more at BridgeReports.com

Categories 

Beam (15,716)
Built 1926 (785)
Built during 1920s (9,924)
Calaveras County, California (39)
California (2,593)
County line crossing (533)
Dorrington, California (1)
One-lane traffic (7,606)
Open (39,882)
Outrigger sway braces (31)
Owned by township (2,706)
 Pony truss (16,185)
Span length 100-125 feet (4,395)
Steel stringer (6,222)
Total length 125-175 feet (5,920)
Truss (32,791)
Tuolumne County, California (36)
Warren pony truss (3,358)
Warren pony truss with alternating verticals (678)
Warren truss (6,564)
Wooden deck (6,069)

Update Log 

  • July 10, 2018: Added by Erik Hoffman

Sources 

  • Erik Hoffman - norcalroadswebsite [at] gmail [dot] com

Comments 

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