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Alamo River Bridge

Imperial County, California
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Photos 

Shortly after construction

The bridge was built as a wooden trestle. Water is still flowing in the Alamo River from the Colorado and filling the Salton Sea. The river only predates the bridge by a few years.

Imperial Press, July 14, 1906

License: Released into public domain

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View this photo at chroniclingamerica.loc.gov

Map 

Street View 

Description 

This bridge was built as a wooden trestle across the Alamo River in 1906. At some point the center was replaced with a deck truss span. The center support piers for the truss are still in place, but there is a gap of a couple inches between them and the bottom of the truss.

Facts 

Overview
Warren deck truss bridge over Alamo River on Holton Interurban Railroad
Location
Holtville, Imperial County, California
Status
Intact but closed to all traffic
History
Built 1906 as a wooden trestle, center later replaced with steel deck truss, abandoned 1994
Design
Warren deck truss with wooden trestle approaches. Support pilings for center span are still in place but not touching the bridge.
Dimensions
Length of largest span: 80.0 ft.
Total length: 273.0 ft.
Also called
Alamo River Trestle
Holton Inter Urban Railway Bridge
Approximate latitude, longitude
+32.80799, -115.38854   (decimal degrees)
32°48'29" N, 115°23'19" W   (degrees°minutes'seconds")
Approximate UTM coordinates
11/650869/3631150 (zone/easting/northing)
USGS topographic map
Holtville West
Inventory number
BH 53594 (Bridgehunter.com ID)

Categories 

Beam (6,034)
Built 1906 (360)
Built during 1900s (4,243)
California (1,615)
Closed (2,072)
Deck truss (952)
Have street view (9,880)
Holton Interurban Railroad (1)
Holtville, California (1)
 Imperial County, California (5)
Railroad (4,053)
Span length 75-100 feet (4,718)
Timber stringer (1,854)
Total length 250-500 feet (3,367)
Truss (23,558)
Warren deck truss (337)
Warren truss (3,955)

Update Log 

  • October 8, 2012: Updated by Luke Harden: Added categories "Holton Interurban Railroad", "Railroad"
  • September 24, 2012: New Street View added by Jann Mayer
  • September 22, 2012: Added by Jann Mayer

Sources 

  • Jann Mayer - jannmayer [at] gmail [dot] com
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Comments 

Alamo River Bridge
Posted October 8, 2012, by Craig Philpott (cphilpott [at] puc [dot] edu)

Excellent find and photos, thanks for posting.