LA3021 over SOUTHERN R R


+29.98570, -90.05819
29°59'09" N, 90°03'29" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:LA3021 over SOUTHERN R R
Structure number:023604190100812
Location:.3 MI SOUTH OF I-610
Purpose:Carries highway and pedestrian walkway over highway and railroad
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:67.9 ft. [20.7 m]
Total length:1212.0 ft. [369.4 m]
Roadway width between curbs:33.1 ft. [10.1 m]
Deck width edge-to-edge:44.0 ft. [13.4 m]
Vertical clearance below bridge:17.4 ft. [5.3 m]
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:2
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: January 2016 

Status:Open, no restriction [A]
Average daily traffic:22,140 [as of 2015]
Truck traffic:3% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Underclearances appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:45.5 tons [41.4 metric tons]
Inventory rating:25.7 tons [23.4 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:60.2
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$4,726,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
January 201660.2Functionally obsoleteFairFairFair22140
January 201560.2Functionally obsoleteFairFairFair22140
January 201460.2Functionally obsoleteFairFairFair22140
January 201360.2Functionally obsoleteFairFairFair23640
January 201260.2Functionally obsoleteFairSatisfactoryFair23640
February 201160.2Functionally obsoleteFairSatisfactoryFair23640
January 201060.2Functionally obsoleteFairSatisfactoryFair23040
January 200960.2Functionally obsoleteFairSatisfactoryFair26820
December 200760.2Functionally obsoleteFairSatisfactoryFair38640
December 200660.2Functionally obsoleteFairSatisfactoryFair36360
February 200560.2Functionally obsoleteFairSatisfactoryFair34140
January 200460.2Functionally obsoleteFairSatisfactoryFair32940
September 200160.2Functionally obsoleteFairSatisfactoryFair26465
May 199860.2Functionally obsoleteFairSatisfactoryFair26465
September 199638.2Structurally deficientPoorSatisfactoryPoor19356
September 199542.2Structurally deficientPoorSatisfactoryPoor18976
October 199442.2Structurally deficientPoorSatisfactoryPoor18513
August 199342.2Structurally deficientPoorSatisfactoryPoor22276
July 199242.2Structurally deficientPoorSatisfactoryPoor29536
March 199142.2Structurally deficientPoorSatisfactoryPoor29536