+45.43091, -83.83926
45°25'51" N, 83°50'21" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US-23 over TROUT RIVER
Structure number:000000000008964
Old structure number:71171073000B010 (from 1992 edition)
Location:1.3 MI NW OF M-68
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:47.6 ft. [14.5 m]
Total length:49.9 ft. [15.2 m]
Roadway width between curbs:44.0 ft. [13.4 m]
Deck width edge-to-edge:47.2 ft. [14.4 m]
Skew angle:45°
Owner:State Highway Agency [01]
Year built:1939
Year reconstructed:2002
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:Prestressed concrete [5]
Main span design:Box Beam or girders - Single or Spread [06]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Epoxy Overlay [5]

Latest Available Inspection: May 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:1,939 [as of 2007]
Truck traffic:5% of total traffic
Deck condition:Very Good [8 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Equal to present desirable criteria [8]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present minimum criteria [6]
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:97.9

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2017FairVery GoodVery GoodSatisfactory193997.9
August 2015GoodVery GoodVery GoodGood193997.9
August 2013GoodVery GoodVery GoodGood193997.9
August 2011GoodVery GoodVery GoodGood193997.9
August 2009GoodVery GoodVery GoodGood193997.9
August 2007GoodVery GoodVery GoodGood244297.4
August 2005GoodVery GoodVery GoodGood244297.4
August 2003GoodExcellentExcellentGood260097.1
August 2001FairFairGoodSatisfactory260089.7
September 1999FairFairGoodSatisfactory260094.8
September 1997FairFairGoodSatisfactory260087.7
September 1995FairFairGoodSatisfactory390085.9
July 1993FairFairGoodSatisfactory390075.7
April 1991FairFairGoodSatisfactory390086.2

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Prestressed Concrete Closed Web/Box Girderlinear ft.275275000
Reinforced Concrete Decksq. ft.508508000
Wearing Surfacessq. ft.2,1122,112000
Reinforced Concrete Abutmentlinear ft.224222200
Pourable Jointlinear ft.124124000
Elastomeric Bearingeach1010000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.110110000