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CR 305 (MAPES RD) over WHITEHEAD SLOUGH

Map

Coordinates:
+40.32902, -120.34202
40°19'44" N, 120°20'31" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:CR 305 (MAPES RD) over WHITEHEAD SLOUGH
Structure number:07C0041
Location:0.6 MI S/O RD 306
Purpose:Carries highway over waterway
Route classification:Minor Collector (Rural) [08]
Length of largest span:20.0 ft. [6.1 m]
Total length:60.0 ft. [18.3 m]
Roadway width between curbs:23.3 ft. [7.1 m]
Deck width edge-to-edge:25.3 ft. [7.7 m]
Owner:County Highway Agency [02]
Year built:1978
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Number of main spans:3
Main spans material:Wood or timber [7]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Wood or Timber [8]
Wearing surface:Bituminous [6]

Latest Available Inspection: August 2018

Good/Fair/Poor Condition:Poor
Status:Posted for load [P]
Average daily traffic:162 [as of 2009]
Truck traffic:8% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Poor [4 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Basically intolerable requiring high priority of replacement [2]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present desirable criteria [8]
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 with "unknown" foundation that has not been evaluated for scour. [U]
Sufficiency rating:32.7
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$510,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2018PoorGoodPoorFair16232.7
September 2017PoorGoodPoorFair10039.9
August 2016PoorGoodPoorFair10039.9
August 2015FairVery GoodSatisfactoryGood10051.5
August 2014FairVery GoodSatisfactoryGood10051.5
September 2013PoorFairPoorGood10038.9
August 2012PoorSatisfactoryPoorGood10039.9
September 2011FairSatisfactorySatisfactoryGood10051.5
August 2010FairSatisfactorySatisfactoryGood10051.5
October 2009FairSatisfactorySatisfactorySatisfactory10069.3
October 2008PoorSatisfactoryPoorGood10039.9
November 2006FairSatisfactorySatisfactoryGood10069.3
August 2004FairSatisfactorySatisfactoryGood10069.3
August 2002FairGoodSatisfactoryGood10069.3
December 2000FairFairSatisfactorySatisfactory10068.3
July 1994FairFairFairFair10059.9
November 1992FairFairFairFair10063.0
June 1990FairFairFairFair10063.0