+30.41076, -91.13178
30°24'39" N, 91°07'54" 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]
Operating rating:59.8 tons [54.4 metric tons]
Inventory rating:36.0 tons [32.7 metric tons]
Sufficiency rating:86.6

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
July 201686.6FairSatisfactorySatisfactorySatisfactory-33500
July 201486.6FairSatisfactorySatisfactorySatisfactory-33300
July 201286.7FairGoodGoodSatisfactory-32700
September 201091.6FairGoodGoodSatisfactory-34300
September 200891.6FairGood-Satisfactory-33900
September 200691.7GoodGoodGoodVery Good-33300
September 200491.6GoodVery GoodVery GoodVery Good-33900
September 200291.7GoodVery GoodVery GoodVery Good-33300
September 200091.9GoodVery GoodVery GoodVery Good-30954
September 199892.1GoodVery GoodVery GoodVery Good-29361
September 199692.2GoodVery GoodVery GoodVery Good-28392
September 199492.9GoodVery GoodVery GoodVery Good-26556
September 199293.1GoodVery GoodVery GoodVery Good-23481
September 199093.1GoodVery GoodVery GoodVery Good-23481