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TILSON ROAD over WAISKA RIVER

Chippewa County, Michigan

Map

Coordinates:
+46.36299, -84.59310
46°21'47" N, 84°35'35" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:TILSON ROAD over WAISKA RIVER
Structure number:000000000001622
Old structure number:17200021000B010 (from 1992 edition)
Location:9 MI N OF RUDYARD
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:70.9 ft. [21.6 m]
Total length:72.8 ft. [22.2 m]
Roadway width between curbs:33.1 ft. [10.1 m]
Deck width edge-to-edge:33.8 ft. [10.3 m]
Owner:County Highway Agency [02]
Year built:1979
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:Prestressed concrete [5]
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: June 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:125 [as of 1986]
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Better than present minimum criteria [7]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
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 the assessed or calculated scour condition. [8]
Sufficiency rating:94.8

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
June 2017FairGoodGoodSatisfactory12594.8
June 2015GoodGoodGoodGood12594.8
June 2013GoodGoodGoodGood12594.8
June 2011GoodGoodGoodGood12594.8
June 2009GoodGoodGoodGood12594.8
May 2007GoodGoodVery GoodVery Good12594.8
June 2005GoodGoodVery GoodVery Good12594.8
June 2003GoodGoodVery GoodVery Good12594.8
June 2001GoodGoodVery GoodVery Good12594.8
June 1999GoodGoodVery GoodVery Good12599.8
June 1997GoodGoodVery GoodVery Good12594.8
June 1995GoodGoodVery GoodVery Good12594.8
June 1993GoodGoodVery GoodVery Good12594.8
June 1991GoodVery GoodVery GoodVery Good12594.8