+30.53564, -91.08139
30°32'08" N, 91°04'53" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Structure number:611702550203931
Location:LA 408
Purpose:Carries highway over waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:49.9 ft. [15.2 m]
Total length:151.9 ft. [46.3 m]
Roadway width between curbs:34.1 ft. [10.4 m]
Deck width edge-to-edge:46.6 ft. [14.2 m]
Owner:State Highway Agency [01]
Year built:1988
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18 / HS 20 [5]
Number of main spans:3
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: April 2016 

Good/Fair/Poor Condition:Good
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:Good [7 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Better than present minimum criteria [7]
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]
Operating rating:61.8 tons [56.2 metric tons]
Inventory rating:37.0 tons [33.6 metric tons]
Sufficiency rating:92.4

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
April 201692.4GoodGoodGoodVery Good-10920
April 201492.4GoodGoodGoodVery Good-10920
April 201292.4GoodGoodGoodVery Good-10740
March 201092.3GoodVery GoodVery GoodVery Good-11580
March 200892.3GoodVery GoodVery GoodVery Good-11520
March 200692.2GoodVery GoodVery GoodVery Good-11640
March 200492.3GoodVery GoodVery GoodVery Good-11580
March 200292.4GoodVery GoodVery GoodVery Good-10506
March 200092.4GoodVery GoodVery GoodVery Good-10261
March 199892.4GoodVery GoodVery GoodVery Good-10261
March 199692.4GoodVery GoodVery GoodVery Good-10569
March 199492.6GoodVery GoodVery GoodVery Good-8872
March 199292.6GoodVery GoodVery GoodVery Good-8643