+30.53089, -91.09310
30°31'51" N, 91°05'35" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:LA0408 over COMITE RIVER
Structure number:611702550203102
Location:2.6 M E of LA 67&LA 408
Purpose:Carries highway over waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:83.0 ft. [25.3 m]
Total length:330.1 ft. [100.6 m]
Roadway width between curbs:34.1 ft. [10.4 m]
Deck width edge-to-edge:46.6 ft. [14.2 m]
Skew angle:15°
Owner:State Highway Agency [01]
Year built:1984
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 [5]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: October 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:10,920 [as of 2015]
Truck traffic:9% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:77.6

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
October 2016FairGoodVery GoodSatisfactory1092077.6
October 2014FairGoodVery GoodSatisfactory1092089.6
April 2012FairGoodVery GoodSatisfactory1074089.7
March 2010GoodVery GoodVery GoodVery Good1158089.3
March 2008GoodGoodVery GoodVery Good1152089.4
March 2006GoodGoodVery GoodVery Good1164089.3
March 2004GoodGoodVery GoodVery Good1158089.3
March 2002GoodGoodVery GoodVery Good1050689.8
March 2000GoodGoodVery GoodVery Good1026189.9
March 1998GoodGoodVery GoodVery Good1026189.9
March 1996GoodGoodVery GoodVery Good1056989.7
March 1994GoodGoodVery GoodVery Good887290.4
March 1992GoodVery GoodVery GoodVery Good864390.5

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
Prestressed Concrete Girder/Beamlinear ft.1,9201,920000
Reinforced Concrete Decksq. ft.14,40014,15002500
Reinforced Concrete Columneach1818000
Reinforced Concrete Abutmentlinear ft.118880300
Reinforced Concrete Pier Caplinear ft.141141000
Compression Jointlinear ft.9400094
Elastomeric Bearingeach4848000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.3202610590