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ILL 18 over DRAINAGE DITCH

Map

Coordinates:
+41.10434, -89.31993
41°06'16" N, 89°19'12" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:ILL 18 over DRAINAGE DITCH
Structure number:078001300000000
Old structure number:000078001317379 (from 1992 edition)
Location:0.65 MI E OF ILL 26
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:22.0 ft. [6.7 m]
Total length:67.9 ft. [20.7 m]
Roadway width between curbs:30.5 ft. [9.3 m]
Deck width edge-to-edge:32.5 ft. [9.9 m]
Skew angle:45°
Owner:State Highway Agency [01]
Year built:1932
Year reconstructed:1979
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 continuous [2]
Main spans design:Slab [01]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: January 2015

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:2,200 [as of 2015]
Truck traffic:8% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Fair [5 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:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Channel protection:Bank and embankment protection is severely undermined. River control devices have severe damage. Large deposits of debris are in the channel. [4]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Operating rating:93.7 tons [85.2 metric tons]
Inventory rating:56.3 tons [51.2 metric tons]
Sufficiency rating:82.1

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
January 201582.1FairFairFairFair-2200
January 201383.3FairFairFairFair-1250
January 201183.3FairSatisfactorySatisfactoryFair-1100
January 200983.3FairSatisfactorySatisfactoryFair-1100
January 200783.3FairSatisfactorySatisfactoryFair-1100
January 200584.3FairGoodGoodFair-1250
February 200484.3FairGoodGoodFair-1250
December 200184.3FairGoodGoodFair-1200
February 200184.3FairGoodGoodFair-1250
200085.3FairGoodGoodFair-1250
February 199985.3FairGoodGoodFair-1150
November 199785.3FairGoodGoodFair-1150
September 199685.3FairGoodGoodFair-1050
October 199484.0FairGoodGoodFair-950
October 199384.0FairGoodGoodFair-950
October 199284.0FairGoodGoodFair-900
October 199186.0FairGoodGoodFair-900