I0310 over RAMP"C" FROM I 310 SB


+29.93221, -90.37999
29°55'56" N, 90°22'48" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I0310 over RAMP"C" FROM I 310 SB
Structure number:024504503800361
Location:.36 MI SOUTH OF LA 18
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:92.9 ft. [28.3 m]
Total length:1290.1 ft. [393.2 m]
Roadway width between curbs:38.1 ft. [11.6 m]
Deck width edge-to-edge:41.3 ft. [12.6 m]
Vertical clearance below bridge:22.3 ft. [6.8 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:16
Main spans material:Prestressed concrete continuous [6]
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:24,180 [as of 2014]
Truck traffic:10% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Equal to present minimum criteria [6]
Underclearances appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
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]
Sufficiency rating:83.9

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
October 201483.9Not deficientGoodSatisfactoryGood24180
December 201285.6Not deficientGoodSatisfactoryGood20880
January 201186.0Not deficientGoodSatisfactoryGood20220
July 200886.8Not deficientGoodGoodGood18600
May 200687.4Not deficientGoodGoodSatisfactory17520
October 200387.4Not deficientGoodGoodSatisfactory17520
August 200277.0Not deficientGoodGoodFair16920
July 199891.4Not deficientGoodGoodGood16629
June 199589.1Not deficientGoodGoodGood20677
November 199294.9Not deficientGoodGoodGood9712
March 199194.9Not deficientGoodGoodGood9712