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ILL 71 over COFFEE CREEK

Map

Coordinates:
+41.25688, -89.30044
41°15'25" N, 89°18'02" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:ILL 71 over COFFEE CREEK
Structure number:078003200000000
Old structure number:000078003210535 (from 1992 edition)
Location:5.14 MI W OF ILL 89
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:71.9 ft. [21.9 m]
Total length:77.1 ft. [23.5 m]
Roadway width between curbs:40.0 ft. [12.2 m]
Deck width edge-to-edge:42.0 ft. [12.8 m]
Owner:State Highway Agency [01]
Year built:1977
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Prestressed concrete [5]
Main span design:Box beam or girders - Multiple [05]
Deck type:Concrete Precast Panels [2]
Wearing surface:Bituminous [6]

Latest Available Inspection: April 2015

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:3,650 [as of 2015]
Truck traffic:18% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Good [7 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 foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:67.0 tons [60.9 metric tons]
Inventory rating:40.3 tons [36.6 metric tons]
Sufficiency rating:87.4

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
April 201587.4FairFairFairGood-3650
April 201387.5FairFairFairGood-3300
April 201187.5FairFairFairGood-3200
May 201087.4FairFairFairGood-3550
October 200934.0PoorSeriousSeriousGoodSD3550
November 200834.1PoorSeriousSeriousGoodSD3350
December 200734.1PoorSeriousSeriousGoodSD3350
January 200748.8PoorSeriousSeriousGoodSD3650
January 200597.5FairSatisfactorySatisfactoryGood-3350
February 200497.5GoodGoodGoodGood-3350
December 200197.5GoodGoodGoodGood-3500
February 200197.5GoodGoodGoodGood-3700
200098.5GoodGoodGoodGood-3700
August 199898.5FairSatisfactoryGoodGood-3600
April 199698.4GoodGoodGoodGood-4000
October 199496.5GoodGoodGoodGood-3250
October 199396.5GoodGoodGoodGood-3200
October 199296.5GoodGoodGoodGood-3200
October 199198.5GoodGoodGoodGood-3200