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LA1264 over ON-RAMP TO SEABROOK BR.

Map

Coordinates:
+30.03158, -90.03524
30°01'54" N, 90°02'07" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts

Name:LA1264 over ON-RAMP TO SEABROOK BR.
Structure number:023630019900215
Location:.65 MI. W. OF DOWNMAN RD.
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:81.0 ft. [24.7 m]
Total length:866.2 ft. [264.0 m]
Roadway width between curbs:20.3 ft. [6.2 m]
Deck width edge-to-edge:25.3 ft. [7.7 m]
Vertical clearance below bridge:14.4 ft. [4.4 m]
Skew angle:15°
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:14
Main spans material:Steel [3]
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: March 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:113 [as of 2015]
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]
Roadway alignment appraisal:Better than present minimum criteria [7]
Scour condition:Bridge with "unknown" foundation that has not been evaluated for scour. [U]
Operating rating:43.9 tons [39.9 metric tons]
Inventory rating:36.0 tons [32.7 metric tons]
Sufficiency rating:98.0

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
March 201798.0FairGoodSatisfactorySatisfactory-113
March 201598.0FairGoodSatisfactorySatisfactory-113
April 201398.0FairGoodSatisfactorySatisfactory-113
May 201198.0FairGoodSatisfactorySatisfactory--
July 200998.0FairSatisfactorySatisfactorySatisfactory--
March 200787.0FairSatisfactorySatisfactoryFair--
June 200587.0FairSatisfactorySatisfactoryFair--
January 200498.0FairSatisfactorySatisfactorySatisfactory--
February 200287.0FairFairFairSatisfactory--
October 199987.0FairFairFairSatisfactory--
August 199787.0FairFairFairSatisfactory--
June 199587.0FairSatisfactoryFairSatisfactory--
May 199387.0FairSatisfactoryFairSatisfactory--
May 199185.0FairSatisfactoryFairSatisfactory--