+31.67937, -91.53390
31°40'46" N, 91°32'02" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:LA0900 over CARROLL LAKE
Structure number:581508150901501
Location:1.5 MI NORTH OF LA 568
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:44.9 ft. [13.7 m]
Total length:182.1 ft. [55.5 m]
Roadway width between curbs:29.9 ft. [9.1 m]
Deck width edge-to-edge:32.8 ft. [10.0 m]
Skew angle:60°
Owner:State Highway Agency [01]
Year built:1985
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:4
Main spans material:Prestressed concrete continuous [6]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: May 2018

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:550 [as of 2016]
Truck traffic:11% of total traffic
Deck condition:Very Good [8 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Equal to present desirable criteria [8]
Deck geometry appraisal:Equal to present minimum criteria [6]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:99.4

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2018GoodVery GoodVery GoodVery Good55099.4
June 2016GoodVery GoodVery GoodVery Good66099.3
June 2014GoodVery GoodVery GoodVery Good65099.3
July 2012GoodVery GoodVery GoodVery Good64099.3
December 2010GoodVery GoodVery GoodVery Good70099.2
November 2008GoodVery GoodVery GoodVery Good58099.4
May 2006GoodVery GoodVery GoodVery Good34099.6
March 2004GoodVery GoodVery GoodVery Good57099.4
January 2002GoodVery GoodVery GoodVery Good87595.2
March 2000GoodVery GoodVery GoodVery Good87595.2
January 1998GoodVery GoodVery GoodVery Good87595.2
March 1996GoodVery GoodVery GoodVery Good26799.7
December 1993GoodVery GoodVery GoodVery Good55799.4
December 1991GoodVery GoodVery GoodVery Good65199.3

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Prestressed Concrete Girder/Beamlinear ft.720720000
Reinforced Concrete Decksq. ft.5,4005,400000
Reinforced Concrete Abutmentlinear ft.7676000
Prestressed Concrete Pileeach1212000
Prestressed Concrete Pier Caplinear ft.152152000
Strip Seal Jointlinear ft.7070000
Elastomeric Bearingeach2020000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.360360000