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 

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. ratingEvaluationDeckSuper.Sub.ADT
October 201595.8Not deficientGoodGoodGood5050
October 201395.8Not deficientGoodGoodGood4900
October 201195.8Not deficientGoodGoodGood4150
October 200995.8Not deficientGoodVery GoodVery Good3760
August 200795.8Not deficientVery GoodVery GoodVery Good3490
May 200695.8Not deficientVery GoodVery GoodVery Good3210
March 200495.8Not deficientVery GoodVery GoodVery Good3190
20000.0Not applicable---21520
August 1998100.0Not deficientVery GoodVery GoodVery Good3586
June 1995100.0Not deficientVery GoodVery GoodVery Good2589
June 1993100.0Not deficientVery GoodVery GoodVery Good7951