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MOHRLE ROAD over CONWAY COHOCTAH DRAIN

Livingston County, Michigan

Map

Coordinates:
+42.74327, -84.07751
42°44'36" N, 84°04'39" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:MOHRLE ROAD over CONWAY COHOCTAH DRAIN
Structure number:000000000005832
Old structure number:47200036000B010 (from 1992 edition)
Location:CONWAY TWP SEC 10-11
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:24.0 ft. [7.3 m]
Total length:25.9 ft. [7.9 m]
Roadway width between curbs:47.9 ft. [14.6 m]
Deck width edge-to-edge:64.0 ft. [19.5 m]
Owner:County Highway Agency [02]
Year built:2007
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 22.5 / HS 25 [9]
Main span material:Concrete [1]
Main span design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: October 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:1,909 [as of 2013]
Truck traffic:2% of total traffic
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Superior to present desirable criteria [9]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Meets minimum tolerable limits to be left in place as is [4]
Channel protection:Bank protection is being eroded. River control devices and/or embankment have major damage. Trees and rush restrict the channel. [5]
Culvert condition:Shrinkage cracks, light scaling and insignificant spalling which does not expose reinforcing steel. Insignificant damage caused by drift with no misalignment and not requiring corrective action. Some minor scouring has occured near curtain walls, wingwalls or pipes. Metal culverts have a smooth symmetrical curvature with superficial corrosion and no pitting. [7]
Scour condition:Bridge is scour critical; bridge foundations determined to be unstable. [3]
Sufficiency rating:96.5

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
October 2017Good7 out of 10190996.5
October 2015Good7 out of 10190996.5
October 2013Good7 out of 10221096.3
October 2011Good7 out of 10221096.3
August 2009Good8 out of 10221033.1
September 2007Good8 out of 10210093.4
June 2005PoorN out of 10141514.8
October 2003PoorN out of 10141514.8
December 1999PoorN out of 10141514.8
October 1999PoorN out of 10141518.2
July 1996PoorN out of 10141518.2
September 1994PoorN out of 1061022.0
July 1993PoorN out of 1061022.0
July 1991PoorN out of 1061022.0