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LA0307 over BAYOU BOEUF

Map

Coordinates:
+29.86923, -90.59476
29°52'09" N, 90°35'41" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:LA0307 over BAYOU BOEUF
Structure number:022908291510171
Location:9.2 MI NORTH OF LA 182
Purpose:Carries highway over waterway
Route classification:Minor Collector (Rural) [08]
Length of largest span:78.1 ft. [23.8 m]
Total length:277.9 ft. [84.7 m]
Roadway width between curbs:22.6 ft. [6.9 m]
Deck width edge-to-edge:32.2 ft. [9.8 m]
Vertical clearance above deck:17.4 ft. [5.3 m]
Vertical clearance below bridge:56.1 ft. [17.1 m]
Owner:State Highway Agency [01]
Year built:1976
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Steel [3]
Main span design:Movable - Lift [15]
Deck type:Open Grating [3]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: February 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:2,600 [as of 2015]
Truck traffic:3% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 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]
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:In place and functioning [2]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:59.8 tons [54.4 metric tons]
Inventory rating:36.0 tons [32.7 metric tons]
Sufficiency rating:68.7
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$1,200,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
February 201768.7FairSatisfactoryGoodSatisfactoryFO2600
February 201568.7FairSatisfactoryGoodSatisfactoryFO2600
March 201372.5FairSatisfactoryGoodSatisfactoryFO1030
March 201175.7FairSatisfactoryGoodSatisfactory-960
March 200975.7FairSatisfactoryGoodSatisfactory-960
January 200773.3FairSatisfactorySatisfactoryGoodFO1120
June 200472.9FairSatisfactorySatisfactorySatisfactoryFO1280
May 200272.8FairSatisfactorySatisfactorySatisfactoryFO1300
March 199876.5GoodGoodGoodGood-617
May 199576.6GoodGoodGoodVery Good-582
June 199376.9GoodGoodGoodVery Good-443
March 199276.8GoodGoodGoodVery Good-503

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Steel Girder/Beamlinear ft.156156000
Steel Stringerlinear ft.468468000
Steel Floor Beamlinear ft.192192000
Substructure
Reinforced Concrete Pier Walllinear ft.77000
Reinforced Concrete Abutmentlinear ft.7070000
Prestressed Concrete Pileeach3636000
Reinforced Concrete Pier Caplinear ft.256025600
Deck
Open Grid Decksq. ft.1,8721,872000
Joints
Pourable Jointlinear ft.216002160
Open Jointlinear ft.4848000
Bearings
Fixed Bearingeach44000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.156156000
Reinforced Concrete Bridge Raillinear ft.400400000
Deck
Reinforced Concrete Slabsq. ft.4,8004,800000