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:22.6 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: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 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:24,900 [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: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]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge not over waterway. [N]
Operating rating:54.9 tons [49.9 metric tons]
Inventory rating:32.9 tons [29.9 metric tons]
Sufficiency rating:83.7

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
October 201683.7FairGoodSatisfactoryGood-24900
October 201483.9FairGoodSatisfactoryGood-24180
December 201285.6FairGoodSatisfactoryGood-20880
January 201186.0FairGoodSatisfactoryGood-20220
July 200886.8GoodGoodGoodGood-18600
May 200687.4FairGoodGoodSatisfactory-17520
October 200387.4FairGoodGoodSatisfactory-17520
August 200277.0FairGoodGoodFair-16920
July 199891.4GoodGoodGoodGood-16629
June 199589.1GoodGoodGoodGood-20677
November 199294.9GoodGoodGoodGood-9712
March 199194.9GoodGoodGoodGood-9712