I0310 over ICG.RR, RAMP E,F,&H, LA4


+29.95406, -90.36736
29°57'15" N, 90°22'02" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I0310 over ICG.RR, RAMP E,F,&H, LA4
Structure number:024504503606221
Location:5.14 MI S I-10, I-310 JCT
Purpose:Carries highway over highway and railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:266.1 ft. [81.1 m]
Total length:5145.3 ft. [1568.2 m]
Roadway width between curbs:76.1 ft. [23.2 m]
Deck width edge-to-edge:82.0 ft. [25.0 m]
Vertical clearance below bridge:24.0 ft. [7.3 m]
Owner:State Highway Agency [01]
Year built:1983
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:5
Main spans material:Steel continuous [4]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: September 2015 

Status:Open, no restriction [A]
Average daily traffic:50,500 [as of 2015]
Truck traffic:10% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Superior to present desirable criteria [9]
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:50.5 tons [45.9 metric tons]
Inventory rating:30.7 tons [27.9 metric tons]
Sufficiency rating:80.9

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
September 201580.9Not deficientGoodSatisfactorySatisfactory50500
September 201380.9Not deficientGoodSatisfactorySatisfactory49000
October 201180.9Not deficientGoodSatisfactorySatisfactory41500
November 200980.9Not deficientGoodGoodGood37600
August 200780.9Not deficientGoodVery GoodVery Good34900
February 200580.9Not deficientGoodVery GoodVery Good31900
March 200183.7Not deficientGoodVery GoodVery Good35868
August 199583.7Not deficientGoodGoodVery Good35868