Rating:
No votes cast

Ahwahnee Bridge

Mariposa County, California

Photos 

Photo taken for the Historic American Engineering Record

View photos at Library of Congress

BH Photo #251884

Map 

Description 

The only triple-arched masonry bridge in Yosemite Valley, the Ahwahnee Bridge is characteristic of the National Park Service's "rustic style" of architecture.

-- Historic American Engineering Record

Facts 

Overview
Closed-spandrel arch bridge over Merced River on Mirror Lake Trail
Location
Mariposa County, California
Status
Open to pedestrians/bicyclists only
History
Built 1928
Design
Three-span closed-spandrel arch with stone facing
Dimensions
Length of largest span: 42.0 ft.
Total length: 133.9 ft.
Deck width: 26.9 ft.
Approximate latitude, longitude
+37.74408, -119.57319   (decimal degrees)
37°44'39" N, 119°34'23" W   (degrees°minutes'seconds")
Approximate UTM coordinates
11/273278/4180538 (zone/easting/northing)
Quadrangle map:
Half Dome
Inventory numbers
CA 40U-18 (California bridge number)
BH 55938 (Bridgehunter.com ID)
Inspection (as of 08/1988)
Deck condition rating: Satisfactory (6 out of 9)
Superstructure condition rating: Satisfactory (6 out of 9)
Substructure condition rating: Satisfactory (6 out of 9)
Appraisal: Not deficient
Sufficiency rating: 97.0 (out of 100)

Categories 

Arch (11,190)
Built 1928 (1,029)
Built during 1920s (8,751)
California (2,307)
Closed-spandrel arch (3,602)
Deck arch (10,429)
HAER documented (1,096)
 Mariposa County, California (51)
Open to pedestrians (3,536)
Owned by National Park Service (411)
Owned by federal government (991)
Span length 25-50 feet (13,549)
Total length 125-175 feet (5,232)

Update Log 

  • March 30, 2013: Added by James Baughn

Sources 

  • HAER CA-100 - Ahwahnee Bridge, Spanning Merced River on service road, Yosemite Village, Mariposa County, CA

Comments 

Post a comment here Contact webmaster