I0310 over SWAMP


+29.97745, -90.31654
29°58'39" N, 90°18'60" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I0310 over SWAMP
Structure number:024504503602646
Location:0.1 M NORTH OF US 61
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:74.2 ft. [22.6 m]
Total length:1264.2 ft. [385.3 m]
Roadway width between curbs:24.9 ft. [7.6 m]
Deck width edge-to-edge:27.9 ft. [8.5 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:17
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 2015 

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:5,050 [as of 2015]
Deck condition:Good [7 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Better than present minimum criteria [7]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:54.5 tons [49.5 metric tons]
Inventory rating:32.7 tons [29.7 metric tons]
Sufficiency rating:96.6

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
October 201596.6GoodGoodVery GoodVery Good-5050
October 201396.6GoodGoodVery GoodVery Good-6180
October 201196.6GoodVery GoodVery GoodVery Good-5110
October 200996.6GoodVery GoodVery GoodVery Good-4730
August 200796.6GoodGoodVery GoodVery Good-4420
May 200696.6GoodVery GoodVery GoodVery Good-4150
August 200298.0GoodVery GoodVery GoodVery Good-4190
August 1998100.0GoodVery GoodVery GoodVery Good-3586
May 1995100.0GoodVery GoodVery GoodVery Good-2589
June 1993100.0GoodVery GoodVery GoodVery Good-7951