Share:

ILL 40 over ROCK RIVER

This bridge is no longer in the current National Bridge Inventory database, and has likely been demolished or abandoned.

Map

Coordinates:
+41.78589, -89.69366
41°47'09" N, 89°41'37" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:ILL 40 over ROCK RIVER
Structure number:000098001421464
Location:STERLING & ROCK FALL
Purpose:Carries highway over waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:86.0 ft. [26.2 m]
Total length:1057.1 ft. [322.2 m]
Roadway width between curbs:52.2 ft. [15.9 m]
Deck width edge-to-edge:64.0 ft. [19.5 m]
Owner:State Highway Agency [01]
Year built:1923
Year reconstructed:1982
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:14
Main spans material:Prestressed concrete [5]
Main spans design:Box beam or girders - Multiple [05]
Deck type:Concrete Precast Panels [2]
Wearing surface:Integral Concrete (separate non-modified layer of concrete added to structural deck) [2]

Latest Available Inspection: May 2009

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:21,500 [as of 2009]
Truck traffic:5% of total traffic
Deck condition:Poor [4 out of 9]
Superstructure condition:Poor [4 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:38.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2009PoorPoorPoorFair2150038.0
October 1999FairSatisfactorySatisfactoryFair2700057.0
March 1992GoodGoodGoodGood2300068.0