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LA1264 over INTER COASTAL WATERWAY

Map

Coordinates:
+30.03163, -90.03537
30°01'54" N, 90°02'07" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:LA1264 over INTER COASTAL WATERWAY
Structure number:023630019900211
Location:0.5 MI.W.OF DOWMAN R
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:100.1 ft. [30.5 m]
Total length:1942.0 ft. [591.9 m]
Roadway width between curbs:57.1 ft. [17.4 m]
Deck width edge-to-edge:68.6 ft. [20.9 m]
Vertical clearance below bridge:45.9 ft. [14.0 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:96
Main spans material:Steel [3]
Main spans design:Movable - Bascule [16]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: September 2015

Good/Fair/Poor Condition:Fair
Status:Posted for load [P]
Average daily traffic:1,130 [as of 2015]
Deck condition:Good [7 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:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present minimum criteria [6]
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:In place and functioning [2]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:35.6 tons [32.4 metric tons]
Inventory rating:25.7 tons [23.4 metric tons]
Sufficiency rating:85.0

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
September 201585.0FairGoodSatisfactoryGood-1130
September 201385.0FairGoodSatisfactoryGood-1130
July 201185.2GoodGoodGoodGood--
July 200985.2FairSatisfactorySatisfactorySatisfactory--
May 200785.2FairSatisfactorySatisfactorySatisfactory--
June 200685.2FairSatisfactorySatisfactorySatisfactory--
March 200385.2FairSatisfactorySatisfactorySatisfactory--
August 199984.2FairFairSatisfactorySatisfactory--
August 199784.2FairFairSatisfactorySatisfactory--
July 199583.2FairFairSatisfactorySatisfactory--
July 199383.2FairFairSatisfactorySatisfactory--
June 199184.2FairFairSatisfactorySatisfactory--

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Steel Girder/Beamlinear ft.224002240
Reinforced Concrete Girder/Beamlinear ft.20,3009,66010,64000
Steel Stringerlinear ft.1,1201,120000
Deck
Reinforced Concrete Decksq. ft.104,981104,981000
Superstructure
Steel Floor Beamlinear ft.620062000
Substructure
Reinforced Concrete Pier Walllinear ft.52322000
Reinforced Concrete Abutmentlinear ft.136136000
Reinforced Concrete Pileeach7676000
Reinforced Concrete Pier Caplinear ft.1,23801,23800
Deck
Open Grid Decksq. ft.6,9446,944000
Joints
Pourable Jointlinear ft.1,00801,00800
Open Jointlinear ft.1,3661,366000
Bearings
Elastomeric Bearingeach474474000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.236236000
Other Material Bridge Raillinear ft.3,87203,87200
Deck
Reinforced Concrete Slabsq. ft.24,58014,21210,36800