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COUNTY ROAD 25 over COTTONWOOD SLOUGH

Map

Coordinates:
+38.65000, -122.04889
38°38'60" N, 122°02'56" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:COUNTY ROAD 25 over COTTONWOOD SLOUGH
Structure number:22C0075
Location:1.78 MI W OF CO RD 86A
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:107.9 ft. [32.9 m]
Total length:111.9 ft. [34.1 m]
Roadway width between curbs:12.1 ft. [3.7 m]
Deck width edge-to-edge:14.1 ft. [4.3 m]
Vertical clearance above deck:16.1 ft. [4.9 m]
Owner:County Highway Agency [02]
Year built:1932
Year reconstructed:1956
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Main span material:Steel [3]
Main span design:Truss - Thru [10]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: October 2015

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:25 [as of 2003]
Truck traffic:4% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:31.0 tons [28.2 metric tons]
Inventory rating:16.1 tons [14.6 metric tons]
Sufficiency rating:44.1

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
October 201544.1FairSatisfactorySatisfactoryVery Good-25
October 201345.9FairGoodFairGood-25
October 201144.3FairSatisfactoryFairGood-90
February 201046.1FairSatisfactoryFairGood-20
November 200746.3FairSatisfactoryFairGood-20
October 200538.1FairSatisfactoryFairGood-20
October 200419.7PoorSatisfactorySeriousGoodSD20
April 200322.2PoorSatisfactoryPoorGoodSD20
March 200322.2PoorSatisfactoryPoorGoodSD20
November 200022.2PoorSatisfactoryPoorGoodSD20
November 199835.0FairFairFairGood-20
July 199618.4PoorFairSeriousGoodSD20
March 199418.9PoorPoorPoorFairSD20
March 199218.9PoorPoorPoorFairSD20