+30.41061, -91.13150
30°24'38" N, 91°07'53" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:LA0427 over DAWSON CREEK
Structure number:611702580201691
Location:1.69 M. NE OF LA 3064
Purpose:Carries highway over waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:20.0 ft. [6.1 m]
Total length:180.1 ft. [54.9 m]
Roadway width between curbs:63.7 ft. [19.4 m]
Deck width edge-to-edge:74.8 ft. [22.8 m]
Skew angle:45°
Owner:State Highway Agency [01]
Year built:1986
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:9
Main spans material:Concrete [1]
Main spans design:Slab [01]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: July 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:33,500 [as of 2015]
Truck traffic:5% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Equal to present desirable criteria [8]
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]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:86.6

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
July 2016FairSatisfactorySatisfactorySatisfactory3350086.6
July 2014FairSatisfactorySatisfactorySatisfactory3330086.6
July 2012FairGoodGoodSatisfactory3270086.7
September 2010FairGoodGoodSatisfactory3430091.6
September 2008FairGood-Satisfactory3390091.6
September 2006GoodGoodGoodVery Good3330091.7
September 2004GoodVery GoodVery GoodVery Good3390091.6
September 2002GoodVery GoodVery GoodVery Good3330091.7
September 2000GoodVery GoodVery GoodVery Good3095491.9
September 1998GoodVery GoodVery GoodVery Good2936192.1
September 1996GoodVery GoodVery GoodVery Good2839292.2
September 1994GoodVery GoodVery GoodVery Good2655692.9
September 1992GoodVery GoodVery GoodVery Good2348193.1
September 1990GoodVery GoodVery GoodVery Good2348193.1

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
Reinforced Concrete Abutmentlinear ft.224221030
Reinforced Concrete Pileeach9694110
Reinforced Concrete Pier Caplinear ft.848847010
Pourable Jointlinear ft.900090000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.360358020
Reinforced Concrete Slabsq. ft.11,250011,0601900