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HERRON ROAD over THUNDER BAY RIVER

Map

Coordinates:
+45.12415, -83.63514
45°07'27" N, 83°38'07" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:HERRON ROAD over THUNDER BAY RIVER
Structure number:000000000000347
Old structure number:04200017000B010 (from 1992 edition)
Location:0.3 MI S OF FAS RTE 191
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:59.7 ft. [18.2 m]
Total length:139.8 ft. [42.6 m]
Roadway width between curbs:29.9 ft. [9.1 m]
Deck width edge-to-edge:30.5 ft. [9.3 m]
Skew angle:10°
Owner:County Highway Agency [02]
Year built:1972
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:3
Main spans material:Prestressed concrete [5]
Main spans design:Box beam or girders - Multiple [05]
Deck type:Concrete Precast Panels [2]
Wearing surface:Bituminous [6]

Latest Available Inspection: August 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:300 [as of 2010]
Deck condition:Good [7 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Equal to present minimum criteria [6]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
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 assessed or calculated scour condition. [5]
Sufficiency rating:83.5

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2018FairGoodFairSatisfactory30083.5
August 2016FairSatisfactorySatisfactorySatisfactory30094.6
August 2014FairSatisfactorySatisfactorySatisfactory30094.6
August 2012FairSatisfactorySatisfactorySatisfactory30094.6
August 2010FairSatisfactorySatisfactorySatisfactory30094.6
July 2008FairSatisfactorySatisfactorySatisfactory30094.6
July 2006FairSatisfactorySatisfactorySatisfactory30094.6
July 2004FairSatisfactorySatisfactorySatisfactory30094.6
September 2002FairSatisfactorySatisfactoryGood30099.6
September 1998FairSatisfactorySatisfactoryGood30099.6
May 1997FairSatisfactory-Good30099.6
June 1995FairSatisfactorySatisfactorySatisfactory25099.7
June 1993FairSatisfactoryGoodSatisfactory25099.7
September 1991FairSatisfactoryGoodSatisfactory25099.7