CR259/Black Bottom over Cousart Bayou


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:CR259/Black Bottom over Cousart Bayou
Structure number:000000000022929
Location:0.5 Mi S JeffersonCo-Tamo
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:83.0 ft. [25.3 m]
Total length:89.2 ft. [27.2 m]
Roadway width between curbs:16.7 ft. [5.1 m]
Deck width edge-to-edge:17.7 ft. [5.4 m]
Owner:County Highway Agency [02]
Year built:2006
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Main span material:Steel [3]
Main span design:Orthotropic [08]
Deck type:Steel plate (includes orthotropic) [5]

Latest Available Inspection: October 2018

Good/Fair/Poor Condition:Fair
Status:Posted for load [P]
Average daily traffic:50 [as of 1987]
Truck traffic:1% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Basically intolerable requiring high priority of corrrective action [3]
Deck geometry appraisal:Basically intolerable requiring high priority of corrrective action [3]
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]
Pier/abutment protection:None present but re-evaluation suggested [5]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:31.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
October 2018FairFairSatisfactorySatisfactory5031.0
October 2017FairFairSatisfactorySatisfactory5031.0
October 2016FairSatisfactorySatisfactorySatisfactory5032.0
October 2014FairSatisfactorySatisfactorySatisfactory5032.0
November 2013FairSatisfactorySatisfactorySatisfactory5032.0
December 2012FairSatisfactorySatisfactorySatisfactory5032.0
December 2011FairFairFairSatisfactory5031.0
December 2010FairFairFairSatisfactory5031.0
January 2010FairFairFairSatisfactory5031.0
February 2009FairSatisfactorySatisfactorySatisfactory5032.0
February 2008FairSatisfactorySatisfactorySatisfactory5032.0
April 2006FairSatisfactorySatisfactorySatisfactory5032.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Other Material Abutmentlinear ft.3803800
Corrugated or Orthotropic Decksq. ft.1,582001,49389