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LA0631 over BAYOU DESALLEMAND

Map

Coordinates:
+29.82355, -90.47711
29°49'25" N, 90°28'38" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:LA0631 over BAYOU DESALLEMAND
Structure number:024508450600001
Location:.4 MI WEST OF LA 632
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Collector (Urban) [17]
Length of largest span:110.9 ft. [33.8 m]
Total length:542.0 ft. [165.2 m]
Roadway width between curbs:24.0 ft. [7.3 m]
Deck width edge-to-edge:29.5 ft. [9.0 m]
Vertical clearance below bridge:3.3 ft. [1.0 m]
Owner:State Highway Agency [01]
Year built:1935
Historic significance:Bridge is eligible for the National Register of Historic Places [2]
Design load:M 13.5 / H 15 [2]
Main span material:Steel [3]
Main span design:Movable - Swing [17]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: July 2017

Good/Fair/Poor Condition:Fair
Status:Posted for load [P]
Average daily traffic:1,280 [as of 2016]
Truck traffic:18% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Better than present minimum criteria [7]
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]
Sufficiency rating:45.1

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
July 2017FairFairFairSatisfactory128045.1
July 2016FairFairFairSatisfactory150045.1
July 2015FairFairFairSatisfactory150047.9
August 2014FairFairFairSatisfactory149047.9
September 2013FairFairFairSatisfactory148047.9
September 2012FairFairFairSatisfactory149047.9
September 2011FairFairFairSatisfactory149047.9
November 2010FairFairFairSatisfactory149047.9
December 2009FairFairFairSatisfactory158047.9
November 2008FairFairFairSatisfactory158047.9
October 2007FairFairFairSatisfactory158047.9
August 2004FairFairFairFair174047.9
May 2001FairFairFairFair326845.5
June 1998FairFairFairFair326845.5
July 1996FairSatisfactoryFairSatisfactory275246.6
July 1995FairSatisfactoryFairSatisfactory267246.8
September 1994FairSatisfactoryFairSatisfactory260746.8
May 1993FairSatisfactoryFairSatisfactory175448.9
May 1992FairSatisfactoryFairSatisfactory171848.9
March 1991FairSatisfactoryFairSatisfactory171848.9

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.2,4302,08035000
Steel Protective Coatingsq. ft.12,1504,6952,4304,125900
Deck
Reinforced Concrete Decksq. ft.13,60813,40820000
Superstructure
Steel Floor Beamlinear ft.803030200
Steel Protective Coatingsq. ft.40013002700
Substructure
Reinforced Concrete Pier Walllinear ft.4040000
Reinforced Concrete Abutmentlinear ft.8080000
Reinforced Concrete Pileeach1414000
Timber Pileeach112112000
Steel Pier Caplinear ft.4036400
Steel Protective Coatingsq. ft.2008050700
Reinforced Concrete Pier Caplinear ft.336328800
Joints
Pourable Jointlinear ft.8408400
Open Jointlinear ft.112112000
Assembly without Seal Jointlinear ft.8484000
Bearings
Movable Bearingeach5005000
Steel Protective Coatingsq. ft.551010350
Fixed Bearingeach40400
Steel Protective Coatingsq. ft.153480
Other Bearingeach11000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.1,0901,086400
Deck
Reinforced Concrete Slabsq. ft.1,6521,5926000