US0061 over LA 73 NORTH


+30.40761, -91.06318
30°24'27" N, 91°03'47" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:US0061 over LA 73 NORTH
Structure number:611700079000442
Location:1.33 MI. SOUTH OF I-12
Purpose:Carries highway over highway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:69.9 ft. [21.3 m]
Total length:319.9 ft. [97.5 m]
Roadway width between curbs:29.9 ft. [9.1 m]
Deck width edge-to-edge:35.4 ft. [10.8 m]
Vertical clearance below bridge:14.4 ft. [4.4 m]
Skew angle:42°
Owner:State Highway Agency [01]
Year built:1953
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:2
Main spans material:Steel continuous [4]
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: February 2015 

Status:Posted for load [P]
Average daily traffic:31,320 [as of 2015]
Truck traffic:11% of total traffic
Deck condition:Poor [4 out of 9]
Superstructure condition:Poor [4 out of 9]
Substructure condition:Serious [3 out of 9]
Structural appraisal:Basically intolerable requiring high priority of corrrective action [3]
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:44.2 tons [40.2 metric tons]
Inventory rating:33.9 tons [30.8 metric tons]
Evaluation:Structurally deficient [1]
Sufficiency rating:34.3
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$1,365,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
February 201534.3Structurally deficientPoorPoorSerious31320
February 201434.3Structurally deficientPoorPoorSerious30840
April 201134.0Structurally deficientPoorPoorSerious28980
April 201070.0Not deficientSatisfactoryFairSatisfactory25140
April 200880.0Not deficientSatisfactorySatisfactorySatisfactory25200
April 200680.0Not deficientSatisfactoryGoodGood26700
April 200482.0Not deficientSatisfactoryGoodGood28440
April 200282.0Not deficientSatisfactoryGoodGood28260
April 200080.0Not deficientSatisfactoryGoodGood27511
April 199881.0Not deficientSatisfactoryGoodGood24870
April 199681.0Not deficientSatisfactoryGoodGood28471
April 199481.0Not deficientSatisfactoryGoodGood27126
April 199370.0Not deficientSatisfactoryGoodFair20184
April 199270.0Not deficientSatisfactoryGoodFair20184