I0310 over LA 18 & 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 LA 18 & M. P. RR
Structure number:024504503800001
Purpose:Carries highway over highway and railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:200.1 ft. [61.0 m]
Total length:1900.0 ft. [579.1 m]
Roadway width between curbs:76.1 ft. [23.2 m]
Deck width edge-to-edge:87.3 ft. [26.6 m]
Vertical clearance below bridge:92.2 ft. [28.1 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:14
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 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:41,500 [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:Very Good [8 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Superior to present desirable criteria [9]
Underclearances appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Pier/abutment protection:Navigation protection not required [1]
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:74.3

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
October 201674.3FairGoodSatisfactoryVery Good-41500
October 201474.2FairGoodSatisfactoryVery Good-40300
December 201274.2FairGoodSatisfactoryVery Good-34800
January 201174.2GoodGoodGoodVery Good-33700
July 200874.2GoodGoodGoodVery Good-31000
May 200674.2GoodGoodGoodVery Good-29200
October 200374.2GoodVery GoodGoodVery Good-29200
March 200175.0FairSatisfactoryGoodVery Good-27716
September 199775.0FairSatisfactoryGoodVery Good-27716
May 198675.0GoodGoodGoodGood-9712