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LOCAL ROAD over GRAND CAILLOU BAYOU

Map

Coordinates:
+29.47258, -90.70224
29°28'21" N, 90°42'08" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:LOCAL ROAD over GRAND CAILLOU BAYOU
Structure number:025529283904221
Location:0005 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:158.1 ft. [48.2 m]
Roadway width between curbs:13.5 ft. [4.1 m]
Deck width edge-to-edge:16.1 ft. [4.9 m]
Vertical clearance above deck:14.4 ft. [4.4 m]
Vertical clearance below bridge:3.3 ft. [1.0 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:Other [9]

Latest Available Inspection: June 2017

Good/Fair/Poor Condition:Poor
Status:Posted for load [P]
Average daily traffic:400 [as of 1978]
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Poor [4 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
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 foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:21.7
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$513,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
June 2017PoorSatisfactorySatisfactoryPoor40021.7
June 2015FairGoodGoodFair40035.4
July 2013PoorGoodGoodPoor40021.7
July 2011PoorGoodGoodPoor40021.7
May 2009FairGoodGoodSatisfactory40045.7
October 2007FairVery GoodGoodSatisfactory40045.7
December 2005FairVery GoodSatisfactorySatisfactory40045.7
November 2003PoorVery GoodSatisfactoryPoor40021.7
December 2001PoorVery GoodSatisfactoryPoor40021.7
January 2000PoorFairFairPoor40017.5
December 1997PoorFairFairPoor40017.5
August 1995PoorFairFairPoor40017.6
November 1993PoorFairFairPoor40017.6
September 1991PoorFairFairPoor40017.6

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.1,1201,115500
Steel Protective Coatingsq. ft.4,2564,256000
Steel Trusslinear ft.118113500
Steel Protective Coatingsq. ft.100100000
Steel Main Cablelinear ft.9609501000
Steel Floor Beamlinear ft.144144000
Steel Protective Coatingsq. ft.547547000
Substructure
Timber Abutmentlinear ft.4843500
Timber Pileeach44271610
Timber Pier Caplinear ft.1601501000
Deck
Timber Decksq. ft.2,2402,1806000
Bearings
Pot Bearingeach11000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.320318200
Steel Protective Coatingsq. ft.1,0661,066000