I0310 over M P RR


+29.93560, -90.37819
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:024504503800206
Location:.2 MI SOUTH OF LA 18
Purpose:Carries highway over highway and railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:129.9 ft. [39.6 m]
Total length:1395.1 ft. [425.2 m]
Roadway width between curbs:25.9 ft. [7.9 m]
Deck width edge-to-edge:29.2 ft. [8.9 m]
Vertical clearance below bridge:22.6 ft. [6.9 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:13
Main spans material:Steel [3]
Main spans design:Girder and floorbeam system [03]
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: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 desirable criteria [8]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Better than present minimum criteria [7]
Scour condition:Bridge not over waterway. [N]
Operating rating:54.5 tons [49.5 metric tons]
Inventory rating:32.7 tons [29.7 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:92.2

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
October 201492.2Functionally obsoleteGoodGoodGood4030
November 201292.2Functionally obsoleteGoodGoodGood3480
December 201092.2Functionally obsoleteGoodGoodGood3370
July 200896.3Not deficientGoodGoodGood3100
May 200696.3Not deficientGoodVery GoodGood2920
October 200396.3Not deficientGoodVery GoodVery Good2920
March 200197.7Not deficientGoodVery GoodVery Good2771
September 199799.7Not deficientGoodVery GoodVery Good2771
March 199599.9Not deficientGoodVery GoodVery Good1951
December 199299.9Not deficientGoodVery GoodVery Good971
May 198599.9Not deficientGoodVery GoodVery Good971