I0310 over M P RR


+29.93554, -90.37805
29°56'08" N, 90°22'41" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I0310 over M P RR
Structure number:024504503800058
Location:.05 MI SOUTH OF LA 18
Purpose:Carries highway over highway and railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:125.0 ft. [38.1 m]
Total length:1212.0 ft. [369.4 m]
Roadway width between curbs:34.1 ft. [10.4 m]
Deck width edge-to-edge:36.7 ft. [11.2 m]
Vertical clearance below bridge:28.5 ft. [8.7 m]
Owner:State Highway Agency [01]
Year built:1979
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:15
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 2016 

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:4,150 [as of 2015]
Truck traffic:10% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Very Good [8 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]
Scour condition:Bridge not over waterway. [N]
Operating rating:56.9 tons [51.7 metric tons]
Inventory rating:33.9 tons [30.8 metric tons]
Sufficiency rating:86.9

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
September 201686.9GoodGoodVery GoodVery GoodFO4150
October 201486.8GoodGoodVery GoodVery GoodFO4030
November 201287.8GoodGoodVery GoodVery GoodFO3480
December 201087.9GoodGoodGoodVery GoodFO3370
December 200891.9GoodGoodGoodVery Good-3100
November 200691.9GoodGoodGoodVery Good-2920
May 200491.9GoodGoodGoodVery Good-2780
March 200192.7GoodGoodGoodVery Good-2771
December 199894.7GoodGoodGoodVery Good-2771
April 199594.8GoodGoodGoodVery Good-2067
May 199394.9GoodGoodGoodVery Good-971
March 199194.9GoodGoodGoodVery Good-971