I-39, US 51 over IL RV/IL 351/ BO RR


+41.31049, -89.08283
41°18'38" N, 89°04'58" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-39, US 51 over IL RV/IL 351/ BO RR
Structure number:050019100000000
Old structure number:000050019120847 (from 1992 edition)
Location:2.82 MI S OF I-80
Purpose:Carries highway over highway, waterway, and railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:620.1 ft. [189.0 m]
Total length:7122.4 ft. [2170.8 m]
Roadway width between curbs:82.0 ft. [25.0 m]
Deck width edge-to-edge:86.6 ft. [26.4 m]
Vertical clearance above deck:19.4 ft. [5.9 m]
Vertical clearance below bridge:52.5 ft. [16.0 m]
Owner:State Highway Agency [01]
Year built:1984
Year reconstructed:2007
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Steel [3]
Main span design:Arch - Thru [12]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: July 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:20,600 [as of 2017]
Truck traffic:33% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 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:Superior to present desirable criteria [9]
Underclearances appraisal:Equal to present desirable criteria [8]
Water adequacy appraisal:Superior to present desirable criteria [9]
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]
Pier/abutment protection:None present but re-evaluation suggested [5]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:79.8

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
July 2018FairSatisfactorySatisfactoryFair2060079.8
July 2016FairSatisfactorySatisfactoryFair1830080.0
July 2014FairSatisfactorySatisfactoryFair1880080.0
July 2012FairSatisfactorySatisfactoryFair1720064.0
July 2010FairSatisfactorySatisfactoryFair1970080.9
December 2008FairSatisfactorySatisfactoryGood1970092.1
May 2006PoorPoorGoodFair1850078.0
May 2004FairSatisfactoryGoodFair2200080.8
June 2002FairSatisfactoryGoodSatisfactory2070092.0
June 2000FairSatisfactoryGoodGood1950092.1
October 1998FairSatisfactoryGoodGood1950092.1
June 1996FairSatisfactoryGoodGood1550092.3
September 1994GoodGoodVery GoodVery Good1510091.9
March 1993GoodGoodVery GoodGood900094.3
February 1992GoodVery GoodVery GoodVery Good900094.3

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Girder/Beamlinear ft.39,01235,8143,166320
Steel Stringerlinear ft.3,7203,6833700
Reinforced Concrete Decksq. ft.615,474563,07652,39800
Steel Archlinear ft.1,2401,239100
Steel Main Cablelinear ft.3220543
Steel Floor Beamlinear ft.3,7482,81193700
Steel Pin or Pin & Hangar Assemblyeach4040000
Reinforced Concrete Columneach372371100
Reinforced Concrete Pier Walllinear ft.3,6423,51488400
Reinforced Concrete Abutmentlinear ft.173166700
Reinforced Concrete Pier Caplinear ft.3,7853,72151130
Strip Seal Jointlinear ft.518518000
Assembly without Seal Jointlinear ft.1,2041,1485600
Elastomeric Bearingeach2701026000
Enclosed/Concealed Bearingeach22000
Fixed Bearingeach292228550
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.28,47425,1483,32600