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7 MILE ROAD over CLAM RIVER

Missaukee County, Michigan

Map

Coordinates:
+44.20404, -85.07318
44°12'15" N, 85°04'23" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:7 MILE ROAD over CLAM RIVER
Structure number:000000000007053
Old structure number:57305H00018B010 (from 1992 edition)
Location:SECTION 19/20 T21N R6W
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:75.1 ft. [22.9 m]
Total length:80.1 ft. [24.4 m]
Roadway width between curbs:28.9 ft. [8.8 m]
Deck width edge-to-edge:31.2 ft. [9.5 m]
Owner:County Highway Agency [02]
Year built:2006
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Prestressed concrete [5]
Main span design:Box beam or girders - Multiple [05]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Integral Concrete (separate non-modified layer of concrete added to structural deck) [2]

Latest Available Inspection: May 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:910 [as of 2007]
Truck traffic:10% of total traffic
Deck condition:Satisfactory [6 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]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Better than present minimum criteria [7]
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:92.6

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2017FairSatisfactoryVery GoodVery Good91092.6
May 2015GoodGoodVery GoodVery Good91092.6
May 2013GoodVery GoodVery GoodVery Good91092.6
May 2011GoodVery GoodVery GoodVery Good91092.6
May 2009GoodVery GoodVery GoodVery Good91092.6
June 2007GoodVery GoodVery GoodVery Good91092.6
October 2006GoodExcellentExcellentExcellent86092.6
August 2005PoorSeriousSeriousPoor42422.0
May 2004PoorSeriousSeriousPoor40023.5
August 2003PoorPoorFairFair40072.2
April 2001PoorPoorFairFair35575.2
April 1999FairFairFairFair35582.2
June 1997FairFair-Satisfactory28088.3
June 1995FairFairFairFair28080.5
July 1993FairFairFairFair28080.5
May 1991FairFairFairFair28080.5