M-123 over CARP RIVER


+46.05770, -84.89590
46°03'28" N, 84°53'45" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:M-123 over CARP RIVER
Structure number:000000000005973
Old structure number:49149131000B010 (from 1992 edition)
Location:2.8 MI NW OF GREEN
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:46.9 ft. [14.3 m]
Total length:46.9 ft. [14.3 m]
Roadway width between curbs:38.1 ft. [11.6 m]
Deck width edge-to-edge:43.0 ft. [13.1 m]
Skew angle:15°
Owner:State Highway Agency [01]
Year built:1961
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Steel [3]
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: July 2018

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:1,041 [as of 2007]
Truck traffic:8% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Equal to present minimum criteria [6]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Better than present minimum criteria [7]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:92.5
Recommended work:Bridge deck replacement with only incidental widening. [37]
Estimated cost of work:$12,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
July 2018GoodGoodGoodGood104192.5
July 2016GoodGoodGoodGood104192.5
July 2014GoodGoodGoodGood104192.5
July 2012GoodGoodGoodGood104192.5
July 2010GoodGoodVery GoodGood104192.5
July 2008GoodGoodVery GoodGood104192.5
July 2006GoodGoodVery GoodGood120392.1
July 2004GoodGoodVery GoodGood170090.9
July 2002GoodGoodVery GoodGood170090.9
July 2000GoodGoodVery GoodGood170090.9
October 1998GoodGoodVery GoodGood170096.1
August 1996FairFairVery GoodGood170084.8
October 1994FairSatisfactoryVery GoodGood130086.9
September 1992FairSatisfactoryVery GoodGood130086.9
October 1990FairSatisfactoryVery GoodGood130086.9