I0310 over RAMP 'E'


+29.95043, -90.36947
29°57'02" N, 90°22'10" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I0310 over RAMP 'E'
Structure number:024504503606615
Location:5.53 MI S JCT I-10
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:89.9 ft. [27.4 m]
Total length:630.0 ft. [192.0 m]
Roadway width between curbs:24.9 ft. [7.6 m]
Deck width edge-to-edge:28.5 ft. [8.7 m]
Owner:State Highway Agency [01]
Year built:1980
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:6
Main spans material:Steel [3]
Main spans design:Girder and floorbeam system [03]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: June 2015

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:5,050 [as of 2015]
Truck traffic:10% of total traffic
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 minimum criteria [6]
Scour condition:Bridge not over waterway. [N]
Operating rating:57.4 tons [52.2 metric tons]
Inventory rating:33.7 tons [30.6 metric tons]
Sufficiency rating:85.6

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
June 201585.6GoodGoodGoodVery Good-5050
July 201385.8GoodGoodGoodVery Good-4900
July 201186.8GoodGoodGoodVery Good-4150
July 200987.3GoodGoodGoodVery Good-3760
October 200787.7GoodGoodGoodGood-3490
December 200488.0GoodGoodGoodGood-3190
December 200288.0GoodGoodVery GoodVery Good-3260
January 199989.5GoodVery GoodVery GoodVery Good-3586
May 199591.4GoodGoodVery GoodVery Good-2792

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Steel Girder/Beamlinear ft.2,1682,168000
Prestressed Concrete Girder/Beamlinear ft.352352000
Reinforced Concrete Decksq. ft.15,7502,20013,55000
Reinforced Concrete Abutmentlinear ft.3030000
Reinforced Concrete Pileeach66000
Reinforced Concrete Pier Caplinear ft.150150000
Assembly with Sealeach7575000
Elastomeric Bearingeach3636000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.1,2601,260000