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FOREST ROAD 309 over MILL CREEK

Map

Coordinates:
+45.79727, -115.95847
45°47'50" N, 115°57'30" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:FOREST ROAD 309 over MILL CREEK
Structure number:011704000000074
Location:2.8 MI. FROM STATE HWY 14
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:35.1 ft. [10.7 m]
Total length:36.1 ft. [11.0 m]
Roadway width between curbs:14.8 ft. [4.5 m]
Deck width edge-to-edge:15.7 ft. [4.8 m]
Skew angle:45°
Owner:U.S. Forest Service [64]
Year built:1966
Year reconstructed:1991
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18 / HS 20 [5]
Main span material:Wood or timber [7]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Wood or Timber [8]
Wearing surface:Wood or Timber [7]

Latest Available Inspection: September 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:50
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Fair [5 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 minimum criteria [6]
Water adequacy appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present minimum criteria [6]
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 conditions; field review indicates action is required. [4]
Sufficiency rating:72.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2016FairGoodGoodFair5072.0
September 2014FairGoodGoodFair5077.5
May 2012FairGoodGoodFair5077.5
May 2010FairGoodGoodFair5077.5
August 2008GoodGoodGoodGood5087.5
August 2004GoodGoodGoodGood5087.5
September 2002FairGoodGoodSatisfactory5087.5
September 2000FairGoodGoodSatisfactory5087.5
September 1996FairVery GoodVery GoodSatisfactory5087.5
September 1994FairVery GoodVery GoodSatisfactory5088.4