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LOCAL ROAD over DU LARGE BAYOU

Map

Coordinates:
+29.41000, -90.78500
29°24'36" N, 90°47'06" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:LOCAL ROAD over DU LARGE BAYOU
Structure number:025529246904711
Location:0001 LOG MI FROM IN
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:64.0 ft. [19.5 m]
Total length:126.0 ft. [38.4 m]
Roadway width between curbs:13.5 ft. [4.1 m]
Deck width edge-to-edge:14.1 ft. [4.3 m]
Vertical clearance above deck:14.4 ft. [4.4 m]
Owner:County Highway Agency [02]
Year built:1960
Historic significance:Bridge is eligible for the National Register of Historic Places [2]
Design load:MS 18 / HS 20 [5]
Main span material:Steel [3]
Main span design:Movable - Swing [17]
Deck type:Wood or Timber [8]
Wearing surface:Wood or Timber [7]

Latest Available Inspection: May 2017

Good/Fair/Poor Condition:Fair
Status:Posted for load [P]
Average daily traffic:50 [as of 1978]
Deck condition:Fair [5 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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]
Scour condition:Bridge with "unknown" foundation that has not been evaluated for scour. [U]
Sufficiency rating:40.1

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2017FairFairFairSatisfactory5040.1
June 2015FairSatisfactorySatisfactorySatisfactory5050.9
July 2013FairSatisfactorySatisfactorySatisfactory5050.9
July 2011FairSatisfactoryFairSatisfactory5049.7
February 2011FairGoodSatisfactorySatisfactory5049.9
April 2007PoorVery GoodPoorPoor5032.8
December 2005PoorVery GoodPoorPoor5032.8
January 2002PoorVery GoodPoorPoor5032.8
February 2000PoorVery GoodPoorPoor5032.8
November 1997PoorFairPoorSatisfactory5031.7
August 1995PoorFairPoorSatisfactory5032.1
October 1993FairSatisfactorySatisfactorySatisfactory5037.5
September 1991PoorFairPoorFair5013.7

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.88944544400
Steel Protective Coatingsq. ft.3,3781,6891,68900
Steel Trusslinear ft.110105500
Steel Protective Coatingsq. ft.100100000
Steel Main Cablelinear ft.2402301000
Steel Floor Beamlinear ft.1441232100
Steel Protective Coatingsq. ft.547547000
Substructure
Timber Abutmentlinear ft.5045050
Timber Pileeach95400
Timber Pier Caplinear ft.5043700
Deck
Timber Decksq. ft.1,9051,903200
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.250247300
Steel Protective Coatingsq. ft.833833000