LA0030 over STREAM


+30.39229, -91.17472
30°23'32" N, 91°10'29" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:LA0030 over STREAM
Structure number:611704140103501
Purpose:Carries highway over waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:7.9 ft. [2.4 m]
Total length:53.2 ft. [16.2 m]
Roadway width between curbs:73.2 ft. [22.3 m]
Deck width edge-to-edge:77.4 ft. [23.6 m]
Skew angle:30°
Owner:State Highway Agency [01]
Year built:1961
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:3
Main spans material:Concrete [1]
Main spans design:Culvert [19]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: November 2016 

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:12,300 [as of 2015]
Truck traffic:5% of total traffic
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Superior to present desirable criteria [9]
Water adequacy appraisal:Equal to present minimum criteria [6]
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]
Culvert condition:Deterioration or initial disintegration, minor chloride contamination, cracking with some leaching, or spalls on concrete or masonry walls and slabs. Local minor scouring at curtain walls, wingwalls or pipes. Metal culverts have a smooth curvature, non-symmetrical shape, significant corrosion or moderate pitting. [6]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:43.9 tons [39.9 metric tons]
Inventory rating:36.0 tons [32.7 metric tons]
Sufficiency rating:98.3

Previous Inspections 

DateSuff. RatingConditionCulvert ConditionSD/FOADT
November 201698.3Fair6 out of 10-12300
November 201498.3Fair6 out of 10-12100
November 201298.2Fair6 out of 10-12600
November 201098.2Good7 out of 10-12500
October 200898.2Good7 out of 10-12900
October 200695.4Fair6 out of 10-11500
October 200495.4Fair6 out of 10-11300
October 200295.6Fair6 out of 10-9900
October 200095.5Fair6 out of 10-10697
October 199896.1Fair6 out of 10-6461
October 199696.1Fair6 out of 10-6655
October 199496.0Fair6 out of 10-6781
October 199295.9Fair6 out of 10-7614
October 199095.9Fair6 out of 10-7614