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 2014 

Status:Open, no restriction [A]
Average daily traffic:40,300 [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:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Better than present minimum criteria [7]
Scour condition:Bridge not over waterway. [N]
Operating rating:59.4 tons [54.0 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Sufficiency rating:90.2

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
October 201490.2Not deficientGoodSatisfactoryGood40300
December 201291.0Not deficientGoodSatisfactoryGood34800
January 201191.2Not deficientGoodSatisfactoryGood33700
June 200893.6Not deficientGoodSatisfactoryGood31000
May 200688.6Not deficientGoodSatisfactorySatisfactory29200
October 200388.6Not deficientGoodGoodSatisfactory29200
January 200387.7Not deficientFairSatisfactorySatisfactory28200
February 200187.8Not deficientFairGoodSatisfactory27716
July 199887.8Not deficientFairSatisfactorySatisfactory27716
December 199688.6Not deficientFairSatisfactorySatisfactory22711
June 199593.9Not deficientFairSatisfactorySatisfactory20677
November 199295.5Not deficientFairSatisfactorySatisfactory9712
March 199195.5Not deficientFairSatisfactorySatisfactory9712