+40.37874, -120.39928
40°22'43" N, 120°23'57" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:RD 315 over SUSAN RIVER
Structure number:07C0006
Location:0.6 MI S OF CR 215
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:29.9 ft. [9.1 m]
Total length:120.1 ft. [36.6 m]
Roadway width between curbs:32.2 ft. [9.8 m]
Deck width edge-to-edge:32.8 ft. [10.0 m]
Owner:County Highway Agency [02]
Year built:1987
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:4
Main spans material:Concrete continuous [2]
Main spans design:Slab [01]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: August 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:100 [as of 1986]
Truck traffic:10% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Equal to present desirable criteria [8]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:75.7

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2018FairFairFairGood10075.7
August 2016FairFairFairGood10086.0
August 2014PoorPoorPoorVery Good10068.0
August 2012FairFairGoodGood10097.0
August 2010FairFairGoodGood10099.0
October 2008FairFairGoodGood10099.0
November 2006PoorPoorGoodGood10097.0
August 2004PoorPoorGoodGood10097.0
August 2002PoorPoorGoodGood10097.0
August 2000PoorPoorGoodGood10097.0
July 1994GoodGoodGoodGood100100.0
November 1992GoodVery GoodVery GoodVery Good100100.0
June 1991GoodVery GoodVery GoodVery Good100100.0