I0310 over RAMPS/US 61


+29.97522, -90.31903
29°58'31" N, 90°19'09" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I0310 over RAMPS/US 61
Structure number:024504503602456
Location:0.2 M NORTH OF US 61
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:122.1 ft. [37.2 m]
Total length:5575.4 ft. [1699.3 m]
Roadway width between curbs:24.9 ft. [7.6 m]
Deck width edge-to-edge:27.9 ft. [8.5 m]
Vertical clearance above deck:20.3 ft. [6.2 m]
Vertical clearance below bridge:16.7 ft. [5.1 m]
Owner:State Highway Agency [01]
Year built:1992
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:62
Main spans material:Prestressed concrete continuous [6]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: October 2016 

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:6,370 [as of 2015]
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Better than present minimum criteria [7]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge not over waterway. [N]
Operating rating:51.9 tons [47.2 metric tons]
Inventory rating:30.9 tons [28.1 metric tons]
Sufficiency rating:91.1

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
October 201691.1GoodGoodGoodGoodFO6370
October 201492.9GoodGoodGoodGood-6180
November 201292.9GoodGoodGoodGood-5200
October 201181.9FairGoodFairSatisfactory-5110
October 200992.9GoodVery GoodVery GoodGood-4730
August 200792.9GoodGoodVery GoodVery Good-4420
February 200592.9GoodGoodVery GoodVery Good-4100
August 200292.9GoodGoodVery GoodVery Good-4190
August 199898.0GoodVery GoodVery GoodVery Good-3586
May 199598.0GoodVery GoodVery GoodVery Good-2589
June 199398.0GoodVery GoodVery GoodVery Good-7951