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I0310 over US 61/RR/SWAMP/LA 626

Map

Coordinates:
+30.00135, -90.29419
30°00'05" N, 90°17'39" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts

Name:I0310 over US 61/RR/SWAMP/LA 626
Structure number:024504503600401
Location:0.41 M SOUTH OF I-10
Purpose:Carries highway over highway, waterway, and railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:89.9 ft. [27.4 m]
Total length:25673.2 ft. [7824.8 m]
Roadway width between curbs:40.0 ft. [12.2 m]
Deck width edge-to-edge:43.0 ft. [13.1 m]
Vertical clearance above deck:16.7 ft. [5.1 m]
Vertical clearance below bridge:15.4 ft. [4.7 m]
Owner:State Highway Agency [01]
Year built:1992
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:467
Main spans material:Prestressed concrete [5]
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:30,300 [as of 2015]
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Equal to present minimum criteria [6]
Underclearances appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:53.9 tons [49.0 metric tons]
Inventory rating:31.9 tons [29.0 metric tons]
Sufficiency rating:93.1

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
October 201693.1FairSatisfactoryVery GoodSatisfactory-30300
October 201492.2FairSatisfactoryVery GoodSatisfactory-37080
October 201380.8FairSatisfactoryVery GoodFair-36000
November 201292.8FairSatisfactorySatisfactoryGood-31200
October 201181.4FairSatisfactoryFairGood-30660
November 200993.1GoodGoodGoodGood-28380
August 200793.2FairSatisfactoryGoodGood-26520
February 200593.4GoodGoodGoodGood-24600
January 200393.4GoodGoodGoodGood-25140
September 199996.7GoodGoodVery GoodGood-26068
October 199698.1GoodGoodVery GoodGood-20534
April 199498.0GoodGood---26704