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:024504503800055
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:124.0 ft. [37.8 m]
Total length:1256.0 ft. [382.8 m]
Roadway width between curbs:24.9 ft. [7.6 m]
Deck width edge-to-edge:28.2 ft. [8.6 m]
Vertical clearance below bridge:23.6 ft. [7.2 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]
Main span material:Steel [3]
Main span 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:Equal to present desirable criteria [8]
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:84.8 tons [77.1 metric tons]
Inventory rating:45.9 tons [41.7 metric tons]
Sufficiency rating:87.6

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
September 201687.6GoodGoodVery GoodVery GoodFO4150
October 201487.6GoodGoodVery GoodVery GoodFO4030
November 201288.6GoodGoodVery GoodVery GoodFO3480
December 201088.7FairGoodSatisfactoryVery GoodFO3370
December 200892.7FairVery GoodSatisfactoryVery Good-3100
November 200692.7FairVery GoodSatisfactoryVery Good-2920
May 200492.7FairVery GoodSatisfactoryVery Good-2780
August 200192.7FairVery GoodSatisfactoryVery Good-2771
September 199794.7GoodVery GoodGoodVery Good-2771
May 199594.8FairSatisfactoryGoodVery Good-2067
June 199394.9FairSatisfactoryGoodVery Good-971
March 199194.9FairSatisfactoryGoodVery Good-971