I0310 over SWAMP


+29.97788, -90.31574
29°58'40" N, 90°18'57" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I0310 over SWAMP
Structure number:024504503602777
Location:0.15 M NORTH OF US 61
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:75.1 ft. [22.9 m]
Total length:1498.1 ft. [456.6 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:20
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:4,900 [as of 2014]
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 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:Equal to present desirable criteria [8]
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. ratingEvaluationDeckSuper.Sub.ADT
October 201496.6Not deficientGoodGoodVery Good4900
November 201296.6Not deficientGoodGoodVery Good4190
October 201185.6Not deficientGoodFairVery Good4150
October 200996.6Not deficientGoodGoodVery Good3760
August 200796.6Not deficientVery GoodVery GoodVery Good3490
February 200596.6Not deficientVery GoodVery GoodVery Good3190
August 200298.0Not deficientVery GoodVery GoodVery Good3240
August 1998100.0Not deficientVery GoodVery GoodVery Good3586
June 1995100.0Not deficientVery GoodVery GoodVery Good2589
June 1993100.0Not deficientVery GoodVery GoodVery Good7951
199397.0Not deficient---7951