CITYST over I 10


+29.99744, -90.15889
29°59'51" N, 90°09'32" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:CITYST over I 10
Structure number:022604501507441
Location:5.4 MI EAST OF LA 49
Purpose:Carries highway 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:17.1 ft. [5.2 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:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 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:Better than present minimum criteria [7]
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 201775.3FairSatisfactorySatisfactoryGoodFO30030
January 201575.3FairSatisfactorySatisfactoryGoodFO30030
February 201375.2FairSatisfactorySatisfactoryGoodFO30270
February 201173.7FairSatisfactorySatisfactoryGoodFO42780
January 200973.7FairSatisfactorySatisfactoryGoodFO42780
November 200674.1FairSatisfactorySatisfactoryGoodFO39210
May 200561.0FairFairFairSatisfactoryFO39180
April 200460.7FairFairFairSatisfactoryFO41250
April 200057.0FairFairFairSatisfactoryFO42490
February 199856.1FairFairFairSatisfactoryFO41453
June 199570.4FairSatisfactoryGoodSatisfactoryFO43386
April 199371.4FairGoodSatisfactorySatisfactoryFO42607
February 199170.4FairFairSatisfactorySatisfactoryFO42607

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Steel Girder/Beamlinear ft.4,1604,160000
Reinforced Concrete Decksq. ft.26,44026,440000
Reinforced Concrete Pier Walllinear ft.134134000
Reinforced Concrete Abutmentlinear ft.7070000
Reinforced Concrete Pileeach3434000
Reinforced Concrete Pier Caplinear ft.750750000
Pourable Jointlinear ft.6360580560
Assembly without Seal Jointlinear ft.648648000
Elastomeric Bearingeach240240000
Bridge Rail
Other Material Bridge Raillinear ft.2,29202,29200
Reinforced Concrete Slabsq. ft.14,65814,658000