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US0090 over ATCHAFALAYA RIVER

Map

Coordinates:
+29.69446, -91.21690
29°41'40" N, 91°13'01" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US0090 over ATCHAFALAYA RIVER
Structure number:035104240532701
Location:INT OF US 90 AND LA 70
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:617.2 ft. [188.1 m]
Total length:1839.0 ft. [560.5 m]
Roadway width between curbs:67.9 ft. [20.7 m]
Deck width edge-to-edge:79.1 ft. [24.1 m]
Vertical clearance below bridge:49.2 ft. [15.0 m]
Owner:State Highway Agency [01]
Year built:1975
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:3
Main spans material:Steel continuous [4]
Main spans design:Truss - Thru [10]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: March 2016

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:33,800 [as of 2014]
Truck traffic:12% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Serious [3 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Basically intolerable requiring high priority of corrrective action [3]
Deck geometry appraisal:Superior to present desirable criteria [9]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Scour condition:Countermeasures have been installed to mitigate an existing problem with scour. [7]
Sufficiency rating:49.4
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$12,192,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
March 2016PoorGoodSeriousSatisfactory3380049.4
March 2015PoorGoodSeriousSatisfactory3420049.4
March 2014PoorGoodSeriousSatisfactory3380049.4
March 2012PoorGoodSeriousSatisfactory3300047.0
March 2010FairGoodSatisfactorySatisfactory3250089.7
February 2008FairGoodSatisfactorySatisfactory3390089.5
March 2006FairGoodSatisfactoryGood3180089.7
March 2004FairGoodSatisfactoryGood2750090.1
February 2002FairGoodSatisfactoryGood2521590.4
February 2000FairGoodSatisfactoryGood2518788.4
February 1998FairGoodSatisfactoryGood2518788.4
February 1996FairGoodSatisfactoryGood2476788.9
March 1994FairGoodSatisfactoryGood2452291.2
January 1992FairGoodSatisfactoryGood2216691.3

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Stringerlinear ft.18,4604,87413,550360
Steel Protective Coatingsq. ft.170,75500170,7550
Deck
Reinforced Concrete Decksq. ft.132,9120132,91200
Superstructure
Steel Trusslinear ft.3,69202,7938990
Steel Protective Coatingsq. ft.100001000
Steel Floor Beamlinear ft.3,62603,586400
Steel Protective Coatingsq. ft.65,3590065,3590
Steel Pin or Pin & Hangar Assemblyeach82060
Steel Gusset Plateeach96048480
Steel Protective Coatingsq. ft.2,584002,5840
Substructure
Reinforced Concrete Columneach44000
Reinforced Concrete Pier Walllinear ft.2882630250
Reinforced Concrete Pier Caplinear ft.144144000
Joints
Compression Jointlinear ft.1,4400001,440
Assembly without Seal Jointlinear ft.29818840700
Bearings
Movable Bearingeach86200
Steel Protective Coatingsq. ft.640064000
Enclosed/Concealed Bearingeach3022800
Steel Protective Coatingsq. ft.640064000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.5,5384,91461590