Share:

LA0067 over LA 67-PLANK OVER US 61

Map 

Coordinates:
+30.50922, -91.14976
30°30'33" N, 91°08'59" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:LA0067 over LA 67-PLANK OVER US 61
Structure number:611700600104661
Location:61170600104661
Purpose:Carries highway overpass over highway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:48.9 ft. [14.9 m]
Total length:273.0 ft. [83.2 m]
Roadway width between curbs:73.5 ft. [22.4 m]
Deck width edge-to-edge:90.9 ft. [27.7 m]
Vertical clearance below bridge:15.4 ft. [4.7 m]
Skew angle:20°
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:6
Main spans material:Steel [3]
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: May 2015 

Status:Open, no restriction [A]
Average daily traffic:17,300 [as of 2015]
Truck traffic:5% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Fair [5 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:Meets minimum tolerable limits to be left in place as is [4]
Underclearances appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:77.2 tons [70.2 metric tons]
Inventory rating:46.5 tons [42.3 metric tons]
Sufficiency rating:77.9

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
May 201577.9Not deficientFairFairSatisfactory17300
June 201377.8Not deficientFairFairSatisfactory17600
September 201177.7Not deficientFairFairSatisfactory19000
July 201077.6Not deficientFairFairSatisfactory20000
July 200974.5Not deficientFairFairSatisfactory20200
July 200786.9Not deficientSatisfactorySatisfactoryGood20700
July 200586.8Not deficientSatisfactorySatisfactoryGood21100
July 200386.7Not deficientSatisfactorySatisfactoryGood21900
July 200181.3Not deficientSatisfactorySatisfactoryGood23383
July 199981.6Not deficientSatisfactoryGoodGood20260
July 199783.6Not deficientSatisfactoryGoodGood20260
July 199584.0Not deficientSatisfactoryGoodGood20486
July 199384.0Not deficientSatisfactoryGoodGood20455
July 199183.9Not deficientSatisfactoryGoodGood22082