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LA0887 over BLACK RIVER BAYOU

Map

Coordinates:
+32.07490, -91.22440
32°04'30" N, 91°13'28" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:LA0887 over BLACK RIVER BAYOU
Structure number:585401810205971
Location:1.0 MI SOUTH OF LA 887
Purpose:Carries highway over waterway
Route classification:Minor Collector (Rural) [08]
Length of largest span:19.0 ft. [5.8 m]
Total length:153.9 ft. [46.9 m]
Roadway width between curbs:28.2 ft. [8.6 m]
Deck width edge-to-edge:35.1 ft. [10.7 m]
Owner:State Highway Agency [01]
Year built:1970
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:8
Main spans material:Concrete [1]
Main spans design:Slab [01]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: February 2017

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:640 [as of 2015]
Truck traffic:6% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 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: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:Better than present minimum criteria [7]
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]
Scour condition:Bridge with "unknown" foundation that has not been evaluated for scour. [U]
Sufficiency rating:66.4
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$717,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
February 2017PoorSatisfactorySatisfactoryPoor64066.4
February 2015PoorSatisfactorySatisfactoryPoor64066.2
February 2014PoorSatisfactorySatisfactoryPoor85058.2
February 2012FairSatisfactorySatisfactorySatisfactory85085.7
February 2010FairSatisfactorySatisfactorySatisfactory92085.6
February 2008FairSatisfactoryGoodSatisfactory103085.5
November 2005FairSatisfactoryGoodSatisfactory122085.4
May 2003FairSatisfactoryGoodSatisfactory133085.3
May 2001FairSatisfactoryGoodSatisfactory125287.2
April 1999FairSatisfactoryGoodSatisfactory124087.2
April 1997FairSatisfactoryGoodSatisfactory124087.2
April 1995FairSatisfactoryGoodSatisfactory95188.0
March 1993FairSatisfactoryGoodSatisfactory108582.8
March 1991FairSatisfactoryGoodSatisfactory108582.8

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Deck
Reinforced Concrete Decksq. ft.4,2564,2411500
Substructure
Timber Abutmentlinear ft.6464000
Timber Pileeach5451300
Prestressed Concrete Pier Caplinear ft.2881929600
Joints
Pourable Jointlinear ft.224224000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.304304000
Steel Protective Coatingsq. ft.1,5201,520000