I-496 WB over I-96


+42.71984, -84.66911
42°43'11" N, 84°40'09" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-496 WB over I-96
Structure number:000000000002290
Old structure number:23123081000S020 (from 1992 edition)
Location:3.5 MI W OF LANSING
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:81.4 ft. [24.8 m]
Total length:233.6 ft. [71.2 m]
Roadway width between curbs:40.0 ft. [12.2 m]
Deck width edge-to-edge:43.3 ft. [13.2 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:
Owner:State Highway Agency [01]
Year built:1969
Year reconstructed:2001
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:4
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: June 2015

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:13,674 [as of 2007]
Truck traffic:8% of total traffic
Deck condition:Satisfactory [6 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]
Underclearances appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:94.8 tons [86.2 metric tons]
Inventory rating:56.7 tons [51.5 metric tons]
Sufficiency rating:86.0

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
June 201586.0FairSatisfactoryFairFair-13674
June 201397.0FairGoodSatisfactorySatisfactory-13674
June 201197.0FairGoodSatisfactorySatisfactory-13674
June 200997.0FairGoodSatisfactorySatisfactory-13674
June 200798.0GoodGoodGoodGood-12334
June 200597.0GoodGoodGoodGood-7500
June 200397.0GoodVery GoodGoodGood-7500
September 200297.0GoodExcellentGoodGood-7500
June 200184.0PoorPoorFairSatisfactory-7500
July 199953.0PoorFairFairSeriousSD7500
August 199791.0FairFairGoodGood-7500
July 199597.0FairFairGoodGood-7900
October 199397.0FairFairGoodGood-7900
September 199198.0FairSatisfactoryVery GoodGood-7900
May 198997.0FairFairVery GoodGood-7900

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Steel Girder/Beamlinear ft.1,392340978740
Steel Protective Coatingsq. ft.19,20018,506065044
Reinforced Concrete Decksq. ft.10,08610,00865130
Steel Pin or Pin & Hangar Assemblyeach1201200
Reinforced Concrete Columneach1212000
Reinforced Concrete Abutmentlinear ft.89612080
Reinforced Concrete Pier Caplinear ft.131130010
Strip Seal Jointlinear ft.86004343
Pourable Jointlinear ft.8608600
Movable Bearingeach125160
Fixed Bearingeach2471430
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.4673778820