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US0071 over TWELVE MILE BAYOU

Map

Coordinates:
+32.60619, -93.81010
32°36'22" N, 93°48'36" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US0071 over TWELVE MILE BAYOU
Structure number:040900110202281
Location:1.38 M NORTH OF LA 538
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:94.2 ft. [28.7 m]
Total length:472.1 ft. [143.9 m]
Roadway width between curbs:44.0 ft. [13.4 m]
Deck width edge-to-edge:46.9 ft. [14.3 m]
Owner:State Highway Agency [01]
Year built:1991
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:5
Main spans material:Prestressed concrete [5]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: January 2018

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:4,200 [as of 2016]
Truck traffic:21% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Better than present minimum criteria [7]
Water adequacy appraisal:Superior to present desirable criteria [9]
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:Navigation protection not required [1]
Scour condition:Countermeasures have been installed to mitigate an existing problem with scour. [7]
Sufficiency rating:96.8

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
January 2018GoodGoodGoodGood420096.8
January 2016FairSatisfactoryGoodGood430096.8
January 2014FairSatisfactoryGoodGood790094.8
February 2012GoodGoodGoodGood740095.9
February 2010GoodVery GoodVery GoodVery Good690096.1
June 2008GoodVery GoodVery GoodVery Good590096.3
February 2008GoodVery GoodVery GoodVery Good580096.4
January 2006GoodVery GoodVery GoodVery Good530096.5
January 2004GoodVery GoodVery GoodVery Good510096.6
February 2002GoodVery GoodVery GoodVery Good510096.6
January 2000GoodVery GoodVery GoodVery Good452898.7
February 1998GoodVery GoodVery GoodVery Good452898.7
March 1996GoodVery GoodVery GoodVery Good458798.7
May 1994GoodVery GoodVery GoodVery Good449798.7
March 1993GoodVery GoodVery GoodVery Good408998.8
July 1991GoodVery GoodVery GoodVery Good408998.8

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Prestressed Concrete Girder/Beamlinear ft.3,3043,303100
Deck
Reinforced Concrete Decksq. ft.22,18417,3844,80000
Substructure
Reinforced Concrete Abutmentlinear ft.9494000
Prestressed Concrete Pileeach2422200
Reinforced Concrete Pier Caplinear ft.188188000
Joints
Open Jointlinear ft.8888000
Bearings
Elastomeric Bearingeach7070000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.1,03075227800