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NFSR 770.1 over S. FORK MIGHIGAN RIVER

Map

Coordinates:
+40.47168, -106.00897
40°28'18" N, 106°00'32" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:NFSR 770.1 over S. FORK MIGHIGAN RIVER
Structure number:020604000001090
Location:4.5 MI. S. OF S.H. 14
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:23.0 ft. [7.0 m]
Total length:24.0 ft. [7.3 m]
Roadway width between curbs:15.4 ft. [4.7 m]
Deck width edge-to-edge:16.7 ft. [5.1 m]
Owner:U.S. Forest Service [64]
Year built:1966
Year reconstructed:1982
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: July 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:17 [as of 2018]
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Unknown [*]
Deck geometry appraisal:Better than present minimum criteria [7]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Better than present minimum criteria [7]
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:87.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
July 2018FairGoodSatisfactoryGood1787.0
August 2016GoodGoodGoodGood5083.3
August 2014GoodGoodGoodGood5084.3
September 2011GoodGoodGoodGood5083.0
July 2009GoodGoodGoodGood5083.0
July 2005----5085.0
July 2003GoodGoodGoodGood5084.3
September 2001GoodGoodGoodGood5084.3