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IA 9 over MISSISSIPPI RIVER

Map

Coordinates:
+43.36451, -91.21691
43°21'52" N, 91°13'01" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:IA 9 over MISSISSIPPI RIVER
Structure number:000000000013520
Location:IN LANSING
Purpose:Carries highway over highway, waterway, and railroad
Route classification:Minor Arterial (Rural) [06]
Length of largest span:651.9 ft. [198.7 m]
Total length:1630.0 ft. [496.8 m]
Roadway width between curbs:21.0 ft. [6.4 m]
Deck width edge-to-edge:22.6 ft. [6.9 m]
Vertical clearance above deck:14.8 ft. [4.5 m]
Vertical clearance below bridge:65.6 ft. [20.0 m]
Owner:State Highway Agency [01]
Year built:1931
Year reconstructed:1955
Historic significance:Bridge is eligible for the National Register of Historic Places [2]
Design load:M 18 / H 20 [4]
Number of main spans:3
Main spans material:Steel continuous [4]
Main spans design:Truss - Thru [10]
Deck type:Open Grating [3]
Wearing surface:Other [9]

Latest Available Inspection: August 2017

Good/Fair/Poor Condition:Poor
Status:Posted for load [P]
Average daily traffic:2,010 [as of 2017]
Truck traffic:12% of total traffic
Deck condition:Satisfactory [6 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:Basically intolerable requiring high priority of replacement [2]
Underclearances appraisal:Superior to present desirable criteria [9]
Water adequacy appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Basically intolerable requiring high priority of replacement [2]
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]
Pier/abutment protection:In place but re-evaluation of design suggested [4]
Scour condition:Countermeasures have been installed to mitigate an existing problem with scour. [7]
Sufficiency rating:22.3

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2017PoorSatisfactoryPoorFair201022.3
August 2015FairGoodFairSatisfactory192039.9
August 2013FairSatisfactoryFairFair192039.9
August 2011FairSatisfactoryFairFair198039.9
August 2009FairSatisfactoryFairFair197039.6
August 2007FairSatisfactoryFairFair206039.9
September 2005FairSatisfactoryFairFair206039.9
August 2005FairSatisfactoryFairFair229039.9
October 2003FairSatisfactoryFairFair226039.9
January 1997FairSatisfactoryFairFair227037.9
October 1993FairSatisfactoryFairFair208037.9
May 1991FairSatisfactoryFairFair178040.5

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.3223061150
Steel Protective Coatingsq. ft.2,1822,1572050
Steel Stringerlinear ft.8,1527,4396001130
Steel Protective Coatingsq. ft.37,00036,336598660
Steel Trusslinear ft.3,2612,970263280
Steel Protective Coatingsq. ft.157,118148,9536,5851,5800
Steel Floor Beamlinear ft.6,9506,432419990
Steel Protective Coatingsq. ft.54,41933,67415,7255,0200
Steel Pin or Pin & Hangar Assemblyeach4093010
Substructure
Reinforced Concrete Pier Walllinear ft.24076103610
Reinforced Concrete Abutmentlinear ft.60342060
Deck
Open Grid Decksq. ft.35,20627,8497,1352220
Steel Protective Coatingsq. ft.211,234170,71434,1206,4000
Bearings
Movable Bearingeach2802350
Enclosed/Concealed Bearingeach40400
Fixed Bearingeach1001000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.3,3533,2610920
Steel Protective Coatingsq. ft.21,62621,447125540