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LA0047 over I C WATERWAY(GULF OUTLET

Map 

Coordinates:
+30.00369, -89.93863
30°00'13" N, 89°56'19" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:LA0047 over I C WATERWAY(GULF OUTLET
Structure number:023601480201061
Location:2.0 MI SOUTH OF I-10
Purpose:Carries highway over highway and waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:702.1 ft. [214.0 m]
Total length:6622.4 ft. [2018.4 m]
Roadway width between curbs:58.1 ft. [17.7 m]
Deck width edge-to-edge:66.3 ft. [20.2 m]
Vertical clearance above deck:17.1 ft. [5.2 m]
Vertical clearance below bridge:134.8 ft. [41.1 m]
Owner:State Highway Agency [01]
Year built:1967
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:Steel continuous [4]
Main spans design:Truss - Thru [10]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: October 2014 

Status:Open, no restriction [A]
Average daily traffic:27,600 [as of 2014]
Truck traffic:7% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Underclearances appraisal:Superior to present desirable criteria [9]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Pier/abutment protection:In place and functioning [2]
Scour condition:Bridge is scour critical; bridge foundations determined to be unstable. [3]
Operating rating:56.4 tons [51.3 metric tons]
Inventory rating:33.7 tons [30.6 metric tons]
Sufficiency rating:73.2

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
October 201473.2Not deficientGoodSatisfactorySatisfactory27600
December 201273.2Not deficientGoodSatisfactorySatisfactory28500
January 201173.2Not deficientGoodSatisfactorySatisfactory28500
July 200873.2Not deficientGoodSatisfactorySatisfactory19400
August 200673.2Not deficientSatisfactorySatisfactoryGood24000
September 200373.2Not deficientGoodSatisfactorySatisfactory27800
May 199773.2Not deficientGoodGoodGood31152
December 199471.0Not deficientGoodGoodGood30810
June 199175.0Not deficientGoodGoodGood23102