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Mad River Bridge

Photos 

Mad River Bridge

Detail, looking East

Photo taken by Craig Philpott in July 2010

Enlarge

BH Photo #170788

Map 

Street View 

Facts 

Overview
Lost Warren through truss bridge over Mad River on US 101 in McKinleyville
Location
Humboldt County, California
History
Built 1929; rehabilitated 1959; Replaced & demolished 2011
Design
Subdivided Warren Through truss, riveted connections.
Dimensions
Length of largest span: 149.9 ft.
Total length: 740.2 ft.
Deck width: 24.6 ft.
Vertical clearance above deck: 14.8 ft.
Approximate latitude, longitude
+40.91667, -124.09278   (decimal degrees)
40°55'00" N, 124°05'34" W   (degrees°minutes'seconds")
Approximate UTM coordinates
10/407979/4530081 (zone/easting/northing)
Quadrangle map:
Arcata North
Average daily traffic (as of 2010)
2,000
Inventory numbers
CA 4-25R (California bridge number)
CA 04-25R (California bridge number)
BH 10911 (Bridgehunter.com ID)
Inspection report (as of October 2011)
Overall condition: Poor
Superstructure condition rating: Good (7 out of 9)
Substructure condition rating: Satisfactory (6 out of 9)
Deck condition rating: Poor (4 out of 9)
Sufficiency rating: 51.8 (out of 100)
View more at BridgeReports.com

Update Log 

  • May 12, 2011: Updated by K. A. Erickson: Bridge has been replaced
  • July 26, 2010: New photos from Craig Philpott
  • April 25, 2010: New Street View added by Nathan Holth

Sources 

Comments 

Mad River Bridge
Posted February 16, 2021, by Anonymous

Y'don't say....

Mad River Bridge
Posted February 16, 2021, by Jim Klessig (jim [dot] klessig [at] gmail [dot] com)

This bridge no longer exists. It was replaced by a concrete bridge a a few feet to the west, and was then demolished.

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