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GARDNER ROAD over E BRANCH ONTONOGON RIVER

Map

Coordinates:
+46.65846, -89.04664
46°39'30" N, 89°02'48" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:GARDNER ROAD over E BRANCH ONTONOGON RIVER
Structure number:000000000008527
Old structure number:66200016000B030 (from 1992 edition)
Location:12 MI N OF TROUT CREEK
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:50.9 ft. [15.5 m]
Total length:110.9 ft. [33.8 m]
Roadway width between curbs:14.1 ft. [4.3 m]
Deck width edge-to-edge:18.0 ft. [5.5 m]
Skew angle:30°
Owner:County Highway Agency [02]
Year built:1954
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 13.5 / H 15 [2]
Number of main spans:2
Main spans material:Steel continuous [4]
Main spans 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: October 2017

Good/Fair/Poor Condition:Fair
Status:Posted for load [P]
Average daily traffic:100 [as of 1997]
Deck condition:Fair [5 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Fair [5 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 is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Scour condition:Bridge is scour critical; bridge foundations determined to be unstable. [3]
Sufficiency rating:61.4
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$340,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
October 2017FairFairSatisfactoryFair10061.4
November 2015FairFairSatisfactoryFair10037.6
November 2013FairFairGoodFair10037.6
October 2011FairFairGoodFair10037.6
November 2009FairFairGoodFair10037.6
October 2007FairFairGoodSatisfactory10047.8
October 2005FairFairGoodGood10047.8
December 2003FairSatisfactoryGoodSatisfactory10048.8
November 2001FairSatisfactoryGoodSatisfactory10048.8
November 1999FairSatisfactoryGoodSatisfactory10048.8
November 1997FairGoodGoodSatisfactory10048.8
November 1995FairGoodGoodSatisfactory10048.8
November 1993FairGoodSatisfactorySatisfactory10048.5
October 1991FairGoodSatisfactorySatisfactory10048.5