+39.65861, -86.88333
39°39'31" N, 86°52'60" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:DUNBAR Rd over BIG WALNUT Creek
Structure number:6700091
Location:00.50 W of CR 125W
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:86.0 ft. [26.2 m]
Total length:174.9 ft. [53.3 m]
Roadway width between curbs:14.4 ft. [4.4 m]
Deck width edge-to-edge:16.1 ft. [4.9 m]
Vertical clearance above deck:12.1 ft. [3.7 m]
Owner:County Highway Agency [02]
Year built:1880
Historic significance:Bridge is eligible for the National Register of Historic Places [2]
Number of main spans:2
Main spans material:Wood or timber [7]
Main spans design:Truss - Thru [10]
Deck type:Wood or Timber [8]
Wearing surface:Wood or Timber [7]

Latest Available Inspection: March 2016

Good/Fair/Poor Condition:Poor
Status:Posted for load [P]
Average daily traffic:1,320 [as of 2015]
Truck traffic:1% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Poor [4 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Basically intolerable requiring high priority of replacement [2]
Channel protection:Bank protection is being eroded. River control devices and/or embankment have major damage. Trees and rush restrict the channel. [5]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Operating rating:18.9 tons [17.2 metric tons]
Inventory rating:14.0 tons [12.7 metric tons]
Sufficiency rating:18.1
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$1,397,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
March 201618.1PoorSatisfactoryFairPoorSD1320
March 201518.1PoorSatisfactoryFairPoorSD1320
April 201335.1FairSatisfactoryFairFairFO1239
March 201135.1FairGoodFairFairFO1239
March 200934.9FairGoodFairFairFO1239
February 200928.9PoorPoorFairFairSD1200
March 200728.9PoorPoorFairFairSD1175
February 20051.0PoorSatisfactoryPoorFairSD1161
March 20031.0PoorSatisfactoryPoorFairSD1119
June 20001.0PoorSatisfactoryPoorFairSD1024
December 19981.0PoorSatisfactoryPoorFairSD1024
June 199629.1FairGoodGoodSatisfactorySD970
March 199430.5FairGoodGoodSatisfactorySD500
December 199125.6FairGoodGoodSatisfactorySD500
January 199028.1GoodGoodGoodGoodSD500