CITYST over I 10


+29.99744, -90.15872
29°59'51" N, 90°09'31" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:CITYST over I 10
Structure number:022604501507452
Location:5.4 MI EAST OF LA 49
Purpose:Carries highway overpass over highway
Route classification:Local (Urban) [19]
Length of largest span:80.1 ft. [24.4 m]
Total length:1299.9 ft. [396.2 m]
Roadway width between curbs:25.9 ft. [7.9 m]
Deck width edge-to-edge:38.4 ft. [11.7 m]
Vertical clearance below bridge:16.7 ft. [5.1 m]
Owner:State Highway Agency [01]
Year built:1966
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:18
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: January 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:30,030 [as of 2015]
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:62.8 tons [57.1 metric tons]
Inventory rating:38.0 tons [34.5 metric tons]
Sufficiency rating:75.3
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$5,070,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
January 201775.3FairGoodSatisfactorySatisfactoryFO30030
July 201575.3FairGoodSatisfactorySatisfactoryFO30030
August 201375.3FairGoodSatisfactorySatisfactoryFO30030
August 201175.0FairGoodSatisfactorySatisfactoryFO31950
October 200973.7FairGoodSatisfactorySatisfactoryFO42780
October 200773.7FairGoodSatisfactorySatisfactoryFO42780

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Steel Girder/Beamlinear ft.5,7365,736000
Reinforced Concrete Decksq. ft.42,120042,12000
Reinforced Concrete Pier Walllinear ft.5959000
Reinforced Concrete Abutmentlinear ft.72621000
Reinforced Concrete Pileeach3939000
Reinforced Concrete Pier Caplinear ft.888888000
Strip Seal Jointlinear ft.135001350
Pourable Jointlinear ft.67614453200
Assembly without Seal Jointlinear ft.806806000
Elastomeric Bearingeach1616000
Movable Bearingeach108083250
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.2,7122,712000
Reinforced Concrete Slabsq. ft.18,314018,31400