Share:

LA0082 over SUPERIOR CANAL

Map

Coordinates:
+29.70684, -92.67620
29°42'25" N, 92°40'34" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:LA0082 over SUPERIOR CANAL
Structure number:071201940221101
Location:29.2 MI. S OF INT LA1143
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:209.0 ft. [63.7 m]
Total length:588.9 ft. [179.5 m]
Roadway width between curbs:24.0 ft. [7.3 m]
Deck width edge-to-edge:30.2 ft. [9.2 m]
Vertical clearance above deck:15.1 ft. [4.6 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Owner:State Highway Agency [01]
Year built:1956
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
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 2018

Good/Fair/Poor Condition:Poor
Status:Posted for load [P]
Average daily traffic:520 [as of 2016]
Truck traffic:17% of total traffic
Deck condition:Poor [4 out of 9]
Superstructure condition:Poor [4 out of 9]
Substructure condition:Poor [4 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
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:24.0
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$2,394,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
July 2018PoorPoorPoorPoor52024.0
July 2017PoorPoorPoorFair24038.4
July 2015PoorPoorPoorFair24037.1
July 2014PoorFairPoorFair34010.0
July 2013FairFairFairFair46012.8
July 2012FairFairFairFair117011.8
July 2011FairFairFairFair119011.8
July 2010FairFairFairFair121011.8
July 2009GoodGoodGoodGood161022.8
June 2008GoodGoodGoodGood159022.8
June 2007GoodGoodGoodGood157022.8
June 2006GoodGoodGoodGood200022.8
June 2005GoodGoodGoodGood195022.8
June 2004GoodGoodGoodGood186022.8
June 2003GoodGoodGoodGood152022.8
June 2002GoodGoodGoodGood147022.8
June 2001GoodGoodGoodGood110422.8
June 2000GoodGoodGoodGood110420.8
June 1999GoodGoodGoodGood110420.8
June 1998GoodGoodGoodGood110420.8
June 1997GoodGoodGoodGood146120.8
May 1996GoodGoodGoodGood150520.8
May 1995GoodGoodGoodGood184818.8
May 1994GoodGoodGoodGood70520.8
May 1993GoodGoodGoodGood68520.8
May 1992GoodGoodGoodGood90620.8

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.2,2681,40044434480
Steel Protective Coatingsq. ft.5,82402,8002,844180
Steel Stringerlinear ft.1,46307637000
Steel Protective Coatingsq. ft.3,78001,9351,685160
Deck
Reinforced Concrete Decksq. ft.9,072009,0720
Superstructure
Steel Trusslinear ft.41803802216
Steel Protective Coatingsq. ft.15,288010,0005,000288
Steel Floor Beamlinear ft.49310725012016
Steel Protective Coatingsq. ft.2,56002,32422016
Steel Gusset Plateeach1284070126
Steel Protective Coatingsq. ft.512017526374
Substructure
Reinforced Concrete Abutmentlinear ft.5605600
Reinforced Concrete Pileeach1173258270
Reinforced Concrete Pier Caplinear ft.51239611600
Deck
Open Grid Decksq. ft.4,2722,7641,27218254
Steel Protective Coatingsq. ft.4,27203,9183504
Concrete Filled Grid Decksq. ft.72056001600
Wearing Surfacessq. ft.720046021050
Joints
Open Jointlinear ft.504504000
Bearings
Movable Bearingeach19212840240
Steel Protective Coatingsq. ft.38411814210618
Fixed Bearingeach19212840240
Steel Protective Coatingsq. ft.38412114010716
Pot Bearingeach11000
Steel Protective Coatingsq. ft.1201200
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.1,1749601583917
Steel Protective Coatingsq. ft.4,2252,4801,21051223