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Lusardi Creek Bridge

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Photos 

Looking west

The bridge still has a layer of dirt overr the wooden deck.

Photo taken by Jann Mayer in December 2012

License: Creative Commons Attribution (CC BY)

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Facts 

Overview
Timber stringer bridge over Lusardi Creek on Black Mountain Road
Location
San Diego County, California
Status
Open to pedestrians only
History
Built 1941. The dirt portion of Black Mountain Road was closed to vehicular traffic around 2004 and is now a popular walking and biking trail
Design
Timber stringer with a layer of dirt on the deck. Concrete supports over random stone.
Dimensions
Length of largest span: 24.0 ft.
Total length: 25.9 ft.
Deck width: 16.1 ft.
Skew angle
45 degrees
Approximate latitude, longitude
+33.00244, -117.12138   (decimal degrees)
33°00'09" N, 117°07'17" W   (degrees°minutes'seconds")
Approximate UTM coordinates
11/488661/3651563 (zone/easting/northing)
Inventory numbers
CA 57C-317 (California bridge number)
BH 53846 (Bridgehunter.com ID)
Inspection (as of 10/1997)
Deck condition rating: Satisfactory (6 out of 9)
Superstructure condition rating: Fair (5 out of 9)
Substructure condition rating: Fair (5 out of 9)
Appraisal: Functionally obsolete
Sufficiency rating: 69.4 (out of 100)
Average daily traffic (as of 1998)
60

Update Log 

  • December 20, 2012: Updated by Jann Mayer: Added some construction details
  • October 7, 2012: Added by Jann Mayer

Sources 

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