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 2014 

Status:Open, no restriction [A]
Average daily traffic:6,180 [as of 2014]
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:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:51.5 tons [46.8 metric tons]
Inventory rating:30.7 tons [27.9 metric tons]
Sufficiency rating:92.9

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
October 201492.9Not deficientGoodGoodGood6180
November 201292.9Not deficientGoodGoodGood5200
October 201181.9Not deficientGoodFairSatisfactory5110
October 200992.9Not deficientVery GoodVery GoodGood4730
August 200792.9Not deficientGoodVery GoodVery Good4420
February 200592.9Not deficientGoodVery GoodVery Good4100
August 200292.9Not deficientGoodVery GoodVery Good4190
August 199898.0Not deficientVery GoodVery GoodVery Good3586
May 199598.0Not deficientVery GoodVery GoodVery Good2589
June 199398.0Not deficientVery GoodVery GoodVery Good7951
199395.0Not deficient---7951