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LA0001 over ATCHAFALAYA RIVER

Map

Coordinates:
+30.97498, -91.79790
30°58'30" N, 91°47'52" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:LA0001 over ATCHAFALAYA RIVER
Structure number:080500520500001
Location:0.18 MI. EAST OF LA 105
Purpose:Carries highway over highway and waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:720.2 ft. [219.5 m]
Total length:3957.2 ft. [1206.1 m]
Roadway width between curbs:29.9 ft. [9.1 m]
Deck width edge-to-edge:35.4 ft. [10.8 m]
Vertical clearance above deck:18.7 ft. [5.7 m]
Vertical clearance below bridge:49.2 ft. [15.0 m]
Owner:State Highway Agency [01]
Year built:1971
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]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: May 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:4,700 [as of 2015]
Truck traffic:9% of total traffic
Deck condition:Satisfactory [6 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:Meets minimum tolerable limits to be left in place as is [4]
Underclearances appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Countermeasures have been installed to mitigate an existing problem with scour. [7]
Sufficiency rating:56.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2017FairSatisfactorySatisfactorySatisfactory470056.0
May 2015FairSatisfactorySatisfactorySatisfactory470056.0
May 2013FairSatisfactorySatisfactorySatisfactory470056.0
January 2012FairSatisfactorySatisfactorySatisfactory430056.0
May 2011FairSatisfactorySatisfactorySatisfactory430056.0
May 2009FairSatisfactorySatisfactorySatisfactory440055.0
May 2007FairSatisfactorySatisfactorySatisfactory470055.0
September 2005FairSatisfactorySatisfactorySatisfactory510055.0
May 2003FairFairSatisfactorySatisfactory570054.0
August 2001FairSatisfactorySatisfactorySatisfactory574356.0
February 2000FairSatisfactorySatisfactorySatisfactory490156.0
March 1999FairSatisfactorySatisfactorySatisfactory490156.0
May 1997FairSatisfactorySatisfactorySatisfactory488056.0
March 1995FairSatisfactorySatisfactorySatisfactory473856.0
May 1994FairSatisfactorySatisfactorySatisfactory459156.0
August 1993FairSatisfactorySatisfactorySatisfactory276156.0
June 1992PoorFairPoorSatisfactory319738.0
September 1991PoorFairPoorSatisfactory319738.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.12,25512,2421300
Steel Protective Coatingsq. ft.122,244122,241300
Steel Stringerlinear ft.7,5157,515000
Steel Protective Coatingsq. ft.71,01771,017000
Deck
Reinforced Concrete Decksq. ft.133,64535,55498,08740
Superstructure
Steel Trusslinear ft.1,5031,501020
Steel Protective Coatingsq. ft.10098200
Steel Floor Beamlinear ft.1,8111,811000
Steel Protective Coatingsq. ft.19,01619,016000
Steel Pin or Pin & Hangar Assemblyeach7466071
Steel Protective Coatingsq. ft.640640000
Steel Gusset Plateeach10296600
Substructure
Reinforced Concrete Columneach5050000
Reinforced Concrete Pier Walllinear ft.79060318430
Reinforced Concrete Abutmentlinear ft.141141000
Reinforced Concrete Pier Caplinear ft.8297854310
Joints
Pourable Jointlinear ft.9090000
Compression Jointlinear ft.3603303000
Assembly without Seal Jointlinear ft.5705400300
Other Jointlinear ft.150150000
Bearings
Movable Bearingeach109109000
Steel Protective Coatingsq. ft.490490000
Fixed Bearingeach119119000
Steel Protective Coatingsq. ft.340340000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.7,9087,908000