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LEWISTON GRADE RD over E BRANCH AU SABLE RIVER

Map

Coordinates:
+44.73576, -84.64174
44°44'09" N, 84°38'30" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:LEWISTON GRADE RD over E BRANCH AU SABLE RIVER
Structure number:000000000002071
Old structure number:20301H00099B010 (from 1992 edition)
Location:5 MI. NE GRAYLING
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:22.0 ft. [6.7 m]
Total length:22.0 ft. [6.7 m]
Roadway width between curbs:13.8 ft. [4.2 m]
Deck width edge-to-edge:15.7 ft. [4.8 m]
Owner:County Highway Agency [02]
Year built:1960
Year reconstructed:2000
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:Slab [01]
Deck type:Wood or Timber [8]
Wearing surface:Bituminous [6]

Latest Available Inspection: November 2018

Good/Fair/Poor Condition:Good
Status:Posted for load [P]
Average daily traffic:15 [as of 1999]
Deck condition:Very Good [8 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural 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:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:87.5

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
November 2018GoodVery GoodVery GoodVery Good1587.5
November 2016GoodVery GoodVery GoodVery Good1587.5
November 2014GoodVery GoodVery GoodVery Good1587.5
November 2012GoodVery GoodVery GoodVery Good1587.5
November 2010GoodVery GoodVery GoodVery Good1587.5
November 2008GoodVery GoodVery GoodVery Good1587.5
July 2006GoodVery GoodVery GoodVery Good1587.5
January 2004GoodVery GoodVery GoodVery Good1587.5
January 2000PoorPoorGoodPoor1030.5
September 1997PoorPoorGoodPoor1030.5
April 1995PoorSatisfactoryPoorSerious1033.5
May 1993PoorSatisfactorySeriousSerious1033.5
November 1989PoorSatisfactorySeriousSerious1033.5