+45.45317, -84.10754
45°27'11" N, 84°06'27" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Structure number:000000000008991
Old structure number:71310A00008B010 (from 1992 edition)
Location:6 MI E 7 MI N OF ONAWAY
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:20.3 ft. [6.2 m]
Total length:47.9 ft. [14.6 m]
Skew angle:20°
Owner:County Highway Agency [02]
Year built:1989
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:2
Main spans material:Steel [3]
Main spans design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: September 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:95 [as of 2007]
Structural appraisal:Better than present minimum criteria [7]
Water adequacy appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present minimum criteria [6]
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]
Culvert condition:Shrinkage cracks, light scaling and insignificant spalling which does not expose reinforcing steel. Insignificant damage caused by drift with no misalignment and not requiring corrective action. Some minor scouring has occured near curtain walls, wingwalls or pipes. Metal culverts have a smooth symmetrical curvature with superficial corrosion and no pitting. [7]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:97.0

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
September 2017Good7 out of 109597.0
September 2015Good7 out of 109597.0
September 2013Good7 out of 109597.0
September 2011Good7 out of 109597.0
September 2009Good7 out of 109597.0
July 2007Good7 out of 109597.0
June 2005Good7 out of 109597.0
April 2003Good7 out of 109597.0
April 2001Good8 out of 109597.0
January 1999Good8 out of 109597.0
October 1996Good8 out of 109597.0
July 1994Good8 out of 109597.0
May 1992Good8 out of 109597.0
November 1989Good8 out of 109583.5