I0310 over RAMPS/RR/CANAL/US 61


+29.97547, -90.31873
29°58'32" N, 90°19'07" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I0310 over RAMPS/RR/CANAL/US 61
Structure number:024504503603388
Location:0.25 M SOUTH OF US 61
Purpose:Carries highway over highway and railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:144.0 ft. [43.9 m]
Total length:4098.3 ft. [1249.1 m]
Roadway width between curbs:33.1 ft. [10.1 m]
Deck width edge-to-edge:36.1 ft. [11.0 m]
Vertical clearance above deck:16.7 ft. [5.1 m]
Vertical clearance below bridge:17.4 ft. [5.3 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:47
Main spans material:Steel [3]
Main spans design:Girder and floorbeam system [03]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: October 2015 

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:5,050 [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:Equal to present minimum criteria [6]
Underclearances appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Better than present minimum criteria [7]
Scour condition:Bridge not over waterway. [N]
Operating rating:52.5 tons [47.7 metric tons]
Inventory rating:31.7 tons [28.8 metric tons]
Sufficiency rating:95.8

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
October 201595.8GoodGoodGoodGood-5050
October 201395.8GoodGoodGoodGood-4900
October 201195.8GoodGoodGoodGood-4150
October 200995.8GoodGoodVery GoodVery Good-3760
August 200795.8GoodVery GoodVery GoodVery Good-3490
May 200695.8GoodVery GoodVery GoodVery Good-3210
March 200495.8GoodVery GoodVery GoodVery Good-3190
August 1998100.0GoodVery GoodVery GoodVery Good-3586
June 1995100.0GoodVery GoodVery GoodVery Good-2589
June 1993100.0GoodVery GoodVery GoodVery Good-7951