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LEHMAN ROAD over BIG CREEK A DRAIN

Arenac County, Michigan

Map

Coordinates:
+44.09239, -83.82708
44°05'33" N, 83°49'37" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:LEHMAN ROAD over BIG CREEK A DRAIN
Structure number:000000000000467
Old structure number:06307H00028B010 (from 1992 edition)
Location:0.4 MI S OF TOWNSEND
Purpose:Carries highway over waterway
Route classification:Minor Collector (Rural) [08]
Length of largest span:29.9 ft. [9.1 m]
Total length:29.9 ft. [9.1 m]
Roadway width between curbs:27.9 ft. [8.5 m]
Deck width edge-to-edge:29.2 ft. [8.9 m]
Owner:County Highway Agency [02]
Year built:1974
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Main span material:Wood or timber [7]
Main span design:Slab [01]
Deck type:Wood or Timber [8]
Wearing surface:Wood or Timber [7]

Latest Available Inspection: August 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:135 [as of 1998]
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 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 being eroded. River control devices and/or embankment have major damage. Trees and rush restrict the channel. [5]
Scour condition:Bridge is scour critical; bridge foundations determined to be unstable. [3]
Sufficiency rating:83.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2018FairFairFairGood13583.0
August 2016FairFairSatisfactoryGood13594.0
August 2014FairSatisfactorySatisfactoryGood13595.0
August 2012FairGoodSatisfactoryGood13595.0
August 2010FairGoodSatisfactoryGood13595.0
October 2008FairGoodSatisfactoryGood13595.0
October 2006FairGoodSatisfactoryGood13595.0
November 2004GoodGoodGoodVery Good13595.0
November 2002GoodGoodGoodVery Good13595.0
December 2000GoodGoodGoodVery Good13595.0
June 1998GoodGoodGoodVery Good13595.0
August 1996FairSatisfactorySatisfactorySatisfactory8095.0
March 1994FairSatisfactorySatisfactorySatisfactory8094.1
March 1992FairSatisfactorySatisfactorySatisfactory8094.1
January 1990FairSatisfactorySatisfactorySatisfactory8094.1