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MAPES LANE RD 305 over SUSAN RIVER OVERFLOW #4

Map

Coordinates:
+40.33749, -120.33952
40°20'15" N, 120°20'22" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:MAPES LANE RD 305 over SUSAN RIVER OVERFLOW #4
Structure number:07C0042
Location:1.3 MI E OF RD 304
Purpose:Carries highway over waterway
Route classification:Minor Collector (Rural) [08]
Length of largest span:20.0 ft. [6.1 m]
Total length:55.8 ft. [17.0 m]
Roadway width between curbs:25.9 ft. [7.9 m]
Deck width edge-to-edge:26.6 ft. [8.1 m]
Owner:County Highway Agency [02]
Year built:2000
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:3
Main spans material:Concrete continuous [2]
Main spans design:Slab [01]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: August 2014

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:100 [as of 1979]
Truck traffic:5% 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:Equal to present minimum criteria [6]
Deck geometry appraisal:Equal to present minimum criteria [6]
Water adequacy appraisal:Equal to present minimum criteria [6]
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 foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:97.9

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2014FairSatisfactorySatisfactoryVery Good10097.9
August 2012FairFairGoodGood10096.9
August 2010FairFairGoodGood10098.9
October 2008FairFairGoodGood10098.9
November 2006GoodGoodGoodGood10099.9
August 2004GoodGoodGoodGood10099.9
October 2003GoodGoodGoodGood10099.9
September 2001GoodGoodGoodGood10099.9
August 2000FairSatisfactorySatisfactoryGood10056.2
October 1996FairSatisfactorySatisfactorySatisfactory10056.2
July 1994FairSatisfactoryGoodSatisfactory10040.7
November 1992FairSatisfactoryGoodSatisfactory10040.7
July 1991FairSatisfactorySatisfactoryFair10040.7