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TR70 SCOTTSCHOOL R over WEST FORK NETTLE CR

Grundy County, Illinois

Map

Coordinates:
+41.40886, -88.51859
41°24'32" N, 88°31'07" 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 2016

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:Good [7 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]
Operating rating:48.8 tons [44.4 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Sufficiency rating:85.9

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
October 201685.9FairGoodGoodFair-150
October 201496.9FairGoodGoodSatisfactory-150
October 201298.9FairVery GoodGoodSatisfactory-150
October 201098.9FairVery GoodVery GoodSatisfactory-150
October 200898.9FairVery GoodVery GoodSatisfactory-225
September 200698.9FairVery GoodVery GoodSatisfactory-225
November 200498.9FairVery GoodVery GoodSatisfactory-125
November 200298.9FairVery GoodVery GoodSatisfactory-125
December 200098.9FairVery GoodVery GoodSatisfactory-200
November 199898.9FairVery GoodVery GoodSatisfactory-200
October 199498.4GoodVery GoodVery GoodVery Good-150
November 199298.4GoodVery GoodVery GoodVery Good-150
August 199098.4GoodVery GoodVery GoodVery Good-150