I-74 SB over 12TH AVE-MOLINE


+41.50043, -90.50802
41°30'02" N, 90°30'29" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-74 SB over 12TH AVE-MOLINE
Structure number:081010100000000
Old structure number:000081010118561 (from 1992 edition)
Location:0.7 MI N OF 23RD AVE
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:98.1 ft. [29.9 m]
Total length:103.4 ft. [31.5 m]
Roadway width between curbs:52.2 ft. [15.9 m]
Deck width edge-to-edge:55.8 ft. [17.0 m]
Skew angle:17°
Owner:State Highway Agency [01]
Year built:1975
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Main span material:Steel [3]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: December 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:25,300 [as of 2013]
Truck traffic:4% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Underclearances appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:90.6

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
December 2016FairFairSatisfactorySatisfactory2530090.6
December 2014FairFairSatisfactorySatisfactory2530093.6
December 2012FairSatisfactorySatisfactorySatisfactory9600087.9
December 2010PoorPoorSatisfactorySatisfactory2505081.0
December 2008PoorPoorSatisfactorySatisfactory2505081.0
January 2007PoorPoorSatisfactorySatisfactory2300081.0
January 2005FairFairSatisfactorySatisfactory2105083.0
January 2003FairFairSatisfactorySatisfactory2390083.0
February 2001FairGoodSatisfactoryGood2325084.0
January 1997GoodVery GoodGoodGood2325084.0
February 1995GoodVery GoodVery GoodGood2040485.0
March 1993GoodVery GoodVery GoodGood1960085.0
February 1991FairFairSatisfactoryGood1960083.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
Steel Girder/Beamlinear ft.700500190100
Reinforced Concrete Decksq. ft.5,8465,7984800
Reinforced Concrete Abutmentlinear ft.117117000
Reinforced Concrete Pier Caplinear ft.1201081200
Strip Seal Jointlinear ft.117011700
Movable Bearingeach80620
Fixed Bearingeach80530
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.202020200