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:22.0 ft. [6.7 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: October 2014 

Status:Open, no restriction [A]
Average daily traffic:4,030 [as of 2014]
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:56.4 tons [51.3 metric tons]
Inventory rating:33.7 tons [30.6 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:86.8

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
October 201486.8Functionally obsoleteGoodVery GoodVery Good4030
November 201287.8Functionally obsoleteGoodVery GoodVery Good3480
December 201087.9Functionally obsoleteGoodGoodVery Good3370
December 200891.9Not deficientGoodGoodVery Good3100
November 200691.9Not deficientGoodGoodVery Good2920
May 200491.9Not deficientGoodGoodVery Good2780
March 200192.7Not deficientGoodGoodVery Good2771
December 199894.7Not deficientGoodGoodVery Good2771
April 199594.8Not deficientGoodGoodVery Good2067
May 199394.9Not deficientGoodGoodVery Good971
March 199194.9Not deficientGoodGoodVery Good971