LA3046 over R/R,CITY STS,LA 611


+29.96961, -90.15651
29°58'11" N, 90°09'23" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:LA3046 over R/R,CITY STS,LA 611
Structure number:022604230100481
Location:.4 MI NORTH OF US 90
Purpose:Carries highway overpass over highway and railroad
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:75.1 ft. [22.9 m]
Total length:2322.0 ft. [707.7 m]
Roadway width between curbs:56.1 ft. [17.1 m]
Deck width edge-to-edge:65.9 ft. [20.1 m]
Vertical clearance below bridge:23.6 ft. [7.2 m]
Owner:State Highway Agency [01]
Year built:1957
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:42
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: September 2015 

Status:Open, no restriction [A]
Average daily traffic:52,300 [as of 2015]
Truck traffic:5% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Serious [3 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Basically intolerable requiring high priority of corrrective action [3]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Underclearances appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:40.3 tons [36.6 metric tons]
Inventory rating:31.0 tons [28.2 metric tons]
Evaluation:Structurally deficient [1]
Sufficiency rating:31.2
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$12,678,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
September 201531.2Structurally deficientFairSeriousGood52300
March 201431.8Structurally deficientFairSeriousGood52100
March 201348.8Structurally deficientFairPoorSatisfactory51100
February 201264.8Not deficientFairFairSatisfactory51100
February 201164.8Not deficientFairFairSatisfactory46100
January 201065.8Not deficientSatisfactoryFairSatisfactory46700
January 200965.8Not deficientSatisfactoryFairFair46800
December 200748.8Structurally deficientFairPoorSatisfactory53200
January 200748.8Structurally deficientFairPoorSatisfactory53200
June 200548.8Structurally deficientFairPoorSatisfactory53200
April 200448.8Structurally deficientFairPoorSatisfactory52400
April 200348.8Structurally deficientFairPoorSatisfactory52400
April 200042.2Structurally deficientFairPoorSatisfactory53178
January 199842.2Structurally deficientFairPoorSatisfactory51416
September 199642.2Structurally deficientFairPoorSatisfactory60397
March 199542.2Structurally deficientFairPoorSatisfactory59213
February 199442.2Structurally deficientFairPoorSatisfactory51870
May 199268.2Not deficientFairSatisfactoryGood58793