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LA1264 over INTER COASTAL WATERWAY

Map 

Coordinates:
+30.03163, -90.03537
30°01'54" N, 90°02'07" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:LA1264 over INTER COASTAL WATERWAY
Structure number:023630019900211
Location:0.5 MI.W.OF DOWMAN R
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:100.1 ft. [30.5 m]
Total length:1942.0 ft. [591.9 m]
Roadway width between curbs:57.1 ft. [17.4 m]
Deck width edge-to-edge:68.6 ft. [20.9 m]
Vertical clearance below bridge:45.9 ft. [14.0 m]
Owner:State Highway Agency [01]
Year built:1975
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:96
Main spans material:Steel [3]
Main spans design:Movable - Bascule [16]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: September 2015 

Status:Posted for load [P]
Average daily traffic:1,130 [as of 2015]
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 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]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Pier/abutment protection:In place and functioning [2]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:35.6 tons [32.4 metric tons]
Inventory rating:25.7 tons [23.4 metric tons]
Sufficiency rating:85.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
September 201585.0Not deficientGoodSatisfactoryGood1130
September 201385.0Not deficientGoodSatisfactoryGood1130
July 201185.2Not deficientGoodGoodGood-
July 200985.2Not deficientSatisfactorySatisfactorySatisfactory-
May 200785.2Not deficientSatisfactorySatisfactorySatisfactory-
June 200685.2Not deficientSatisfactorySatisfactorySatisfactory-
March 200385.2Not deficientSatisfactorySatisfactorySatisfactory-
August 199984.2Not deficientFairSatisfactorySatisfactory-
August 199784.2Not deficientFairSatisfactorySatisfactory-
July 199583.2Not deficientFairSatisfactorySatisfactory-
July 199383.2Not deficientFairSatisfactorySatisfactory-
June 199184.2Not deficientFairSatisfactorySatisfactory-