+40.15465, -90.31189
40°09'17" N, 90°18'43" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:IL 100 over ILLINOIS R TRIB.
Structure number:085000800000000
Old structure number:000085000818708 (from 1992 edition)
Location:3.7M N BROWNING CTR
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:24.9 ft. [7.6 m]
Total length:25.3 ft. [7.7 m]
Roadway width between curbs:36.7 ft. [11.2 m]
Deck width edge-to-edge:43.0 ft. [13.1 m]
Skew angle:30°
Owner:State Highway Agency [01]
Year built:1935
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Main span material:Concrete [1]
Main span design:Slab [01]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Integral Concrete (separate non-modified layer of concrete added to structural deck) [2]

Latest Available Inspection: December 2015

Good/Fair/Poor Condition:Fair
Status:Open, would be posted or closed except for temporary shoring [D]
Average daily traffic:525 [as of 2015]
Truck traffic:25% 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:Better than present minimum criteria [7]
Water adequacy appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:98.0 tons [89.1 metric tons]
Inventory rating:63.8 tons [58.0 metric tons]
Sufficiency rating:87.4
Recommended work:Widening of existing bridge with deck rehabilitation or replacement. [34]
Estimated cost of work:$113,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
December 201587.4FairFairFairFair-525
December 201388.2FairSatisfactorySatisfactoryFair-750
December 201187.9FairSatisfactorySatisfactoryFair-950
December 200988.0FairSatisfactorySatisfactoryFair-850
December 200788.1FairSatisfactorySatisfactoryFair-800
December 200588.2FairSatisfactorySatisfactoryFair-700
December 200388.3FairSatisfactorySatisfactoryFair-650
December 200187.8FairSatisfactorySatisfactoryFair-1400
December 199989.0FairSatisfactorySatisfactoryFair-1550
December 199870.0PoorPoorPoorFairSD1400
December 199770.0PoorPoorPoorFairSD1400
December 199670.0PoorPoorPoorFairSD650
December 199568.0PoorPoorPoorFairSD650
January 199568.0PoorPoorPoorFairSD600
January 199468.0PoorPoorPoorFairSD600
February 199368.0PoorPoorPoorFairSD600
February 199270.0PoorPoorPoorFairSD600