I0310 over RAMP"C"FROM I 310 SB


+29.93234, -90.38011
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:024504503800362
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:32.2 ft. [9.8 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 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:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Equal to present minimum criteria [6]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Better than present minimum criteria [7]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge not over waterway. [N]
Operating rating:59.8 tons [54.4 metric tons]
Inventory rating:36.0 tons [32.7 metric tons]
Sufficiency rating:90.0

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
October 201690.0FairGoodSatisfactoryGood-41500
October 201490.2FairGoodSatisfactoryGood-40300
December 201291.0FairGoodSatisfactoryGood-34800
January 201191.2FairGoodSatisfactoryGood-33700
June 200893.6FairGoodSatisfactoryGood-31000
May 200688.6FairGoodSatisfactorySatisfactory-29200
October 200388.6FairGoodGoodSatisfactory-29200
January 200387.7FairFairSatisfactorySatisfactory-28200
February 200187.8FairFairGoodSatisfactory-27716
July 199887.8FairFairSatisfactorySatisfactory-27716
December 199688.6FairFairSatisfactorySatisfactory-22711
June 199593.9FairFairSatisfactorySatisfactory-20677
November 199295.5FairFairSatisfactorySatisfactory-9712
March 199195.5FairFairSatisfactorySatisfactory-9712

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Prestressed Concrete Girder/Beamlinear ft.7,08007,08000
Reinforced Concrete Decksq. ft.47,20047,200000
Reinforced Concrete Abutmentlinear ft.5050000
Reinforced Concrete Pileeach3232000
Reinforced Concrete Pier Caplinear ft.640640000
Pourable Jointlinear ft.4000400
Compression Jointlinear ft.1601402000
Assembly with Sealeach4040000
Elastomeric Bearingeach5959000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.2,3602,360000