Share:

MARR ROAD over S BR SHIAWASSEE RIVER

Map

Coordinates:
+42.66734, -83.97550
42°40'02" N, 83°58'32" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:MARR ROAD over S BR SHIAWASSEE RIVER
Structure number:000000000005818
Old structure number:47200021000B010 (from 1992 edition)
Location:SEC 10 HOWELL TWP
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:30.8 ft. [9.4 m]
Total length:32.8 ft. [10.0 m]
Roadway width between curbs:22.0 ft. [6.7 m]
Deck width edge-to-edge:24.3 ft. [7.4 m]
Owner:County Highway Agency [02]
Year built:1937
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:Steel [3]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: September 2017

Good/Fair/Poor Condition:Poor
Status:Posted for load [P]
Average daily traffic:348 [as of 2014]
Deck condition:Fair [5 out of 9]
Superstructure condition:Serious [3 out of 9]
Substructure condition:Poor [4 out of 9]
Structural appraisal:Basically intolerable requiring high priority of corrrective action [3]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Equal to present desirable criteria [8]
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 with "unknown" foundation that has not been evaluated for scour. [U]
Sufficiency rating:22.9

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2017PoorFairSeriousPoor34822.9
September 2015PoorFairSeriousPoor34822.9
September 2013PoorFairSeriousPoor40022.7
September 2011PoorFairSeriousPoor40022.7
August 2009PoorPoorSeriousPoor37020.3
September 2007PoorFairSeriousPoor54522.2
November 2005FairFairFairFair72734.0
October 2003FairFairFairFair72734.0
October 1999FairFairFairFair54134.4
August 1998FairFairFairFair54134.4
July 1996FairFairFairFair10143.9
September 1995FairFairFairFair10143.8
October 1993FairFairFairFair10143.8
August 1991FairSatisfactorySatisfactoryGood10151.8