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TR70 SCOTTSCHOOL R over WEST FORK NETTLE CR

Grundy County, Illinois

Map

Coordinates:
+41.40889, -88.51880
41°24'32" N, 88°31'08" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:TR70 SCOTTSCHOOL R over WEST FORK NETTLE CR
Structure number:032363600000000
Old structure number:000032363607428 (from 1992 edition)
Location:.18 MI S HOGE RD
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:34.1 ft. [10.4 m]
Total length:104.0 ft. [31.7 m]
Roadway width between curbs:25.9 ft. [7.9 m]
Deck width edge-to-edge:26.2 ft. [8.0 m]
Skew angle:15°
Owner:Town or Township Highway Agency [03]
Year built:1981
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:Concrete [1]
Main spans design:Channel beam [22]
Deck type:Concrete Precast Panels [2]

Latest Available Inspection: October 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:150 [as of 2015]
Truck traffic:7% of total traffic
Deck condition:Good [7 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:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Better than present minimum criteria [7]
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 foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:85.9

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
October 2018FairGoodSatisfactoryFair15085.9
October 2016FairGoodGoodFair15085.9
October 2014FairGoodGoodSatisfactory15096.9
October 2012FairVery GoodGoodSatisfactory15098.9
October 2010FairVery GoodVery GoodSatisfactory15098.9
October 2008FairVery GoodVery GoodSatisfactory22598.9
September 2006FairVery GoodVery GoodSatisfactory22598.9
November 2004FairVery GoodVery GoodSatisfactory12598.9
November 2002FairVery GoodVery GoodSatisfactory12598.9
December 2000FairVery GoodVery GoodSatisfactory20098.9
November 1998FairVery GoodVery GoodSatisfactory20098.9
October 1994GoodVery GoodVery GoodVery Good15098.4
November 1992GoodVery GoodVery GoodVery Good15098.4
August 1990GoodVery GoodVery GoodVery Good15098.4