I0310 over SWAMP


+30.00133, -90.29447
30°00'05" N, 90°17'40" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I0310 over SWAMP
Structure number:024504503600005
Location:0.01 M SOUTH OF I-10
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:74.2 ft. [22.6 m]
Total length:2206.1 ft. [672.4 m]
Roadway width between curbs:30.8 ft. [9.4 m]
Deck width edge-to-edge:34.8 ft. [10.6 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:30
Main spans material:Concrete continuous [2]
Main spans design:Slab [01]
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:6,370 [as of 2015]
Deck condition:Very Good [8 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Equal to present desirable criteria [8]
Deck geometry appraisal:Superior to present desirable criteria [9]
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:67.3 tons [61.2 metric tons]
Inventory rating:37.6 tons [34.2 metric tons]
Sufficiency rating:98.0

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
October 201598.0GoodVery GoodVery GoodVery Good-6370
October 201398.0GoodVery GoodVery GoodVery Good-6180
October 201198.0GoodVery GoodVery GoodVery Good-5110
October 200998.0GoodVery GoodVery GoodVery Good-4730
August 200798.0GoodVery GoodVery GoodVery Good-4420
February 200598.0GoodVery GoodVery GoodVery Good-4100
November 200298.0GoodVery GoodVery GoodVery Good-4190
May 1999100.0GoodVery GoodVery GoodVery Good-4344
August 1998100.0GoodVery GoodVery GoodVery Good-4344
May 1995100.0GoodVery GoodVery GoodVery Good-3272
March 1993100.0GoodVery GoodVery GoodVery Good-7951

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Prestressed Concrete Girder/Beamlinear ft.11,03011,030000
Reinforced Concrete Decksq. ft.70,592070,59200
Prestressed Concrete Pileeach7676000
Reinforced Concrete Pileeach2828000
Reinforced Concrete Pier Caplinear ft.928009280
Open Jointlinear ft.279279000
Elastomeric Bearingeach300300000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.4,4124,412000