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DOWNINGTON ROAD over MIDDLE BR DRAIN

Sanilac County, Michigan

Map

Coordinates:
+43.50739, -82.90339
43°30'27" N, 82°54'12" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:DOWNINGTON ROAD over MIDDLE BR DRAIN
Structure number:000000000009562
Old structure number:74301H00001B010 (from 1992 edition)
Location:SEC 35 ARGYLE TWP
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:26.9 ft. [8.2 m]
Total length:26.9 ft. [8.2 m]
Roadway width between curbs:20.0 ft. [6.1 m]
Deck width edge-to-edge:32.2 ft. [9.8 m]
Owner:County Highway Agency [02]
Year built:1969
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 18 / H 20 [4]
Main span material:Steel [3]
Main span design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: April 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:180 [as of 2010]
Truck traffic:10% of total traffic
Structural appraisal:Equal to present minimum criteria [6]
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 is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Culvert condition:Deterioration or initial disintegration, minor chloride contamination, cracking with some leaching, or spalls on concrete or masonry walls and slabs. Local minor scouring at curtain walls, wingwalls or pipes. Metal culverts have a smooth curvature, non-symmetrical shape, significant corrosion or moderate pitting. [6]
Scour condition:Bridge is scour critical; bridge foundations determined to be unstable. [3]
Sufficiency rating:77.9

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
April 2018Fair6 out of 1018077.9
April 2016Fair6 out of 1018030.7
April 2014Good7 out of 1018030.7
April 2012Good7 out of 1018028.0
April 2010Good7 out of 1018085.4
June 2008Good7 out of 1012085.4
June 2006Good7 out of 1012085.4
July 2004Good7 out of 1012085.4
June 2002-N out of 1012071.6
June 2000Good7 out of 1012071.6
July 1998Good7 out of 1012087.1
October 1996Good7 out of 1012097.0
July 1994Good7 out of 1010097.0
January 1992Good7 out of 1010097.0
February 1990Good7 out of 1010097.0