Herman Dupuis Rd over CROCODILE BAYOU


+30.28168, -91.73600
30°16'54" N, 91°44'10" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:Herman Dupuis Rd over CROCODILE BAYOU
Structure number:035030169914401
Location:0002 LOG MI FROM INT
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:52.2 ft. [15.9 m]
Total length:242.1 ft. [73.8 m]
Roadway width between curbs:14.8 ft. [4.5 m]
Deck width edge-to-edge:16.1 ft. [4.9 m]
Vertical clearance below bridge:997.4 ft. [304.0 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:Steel plate (includes orthotropic) [5]

Latest Available Inspection: October 2018

Good/Fair/Poor Condition:Fair
Status:Posted for load [P]
Average daily traffic:360 [as of 1971]
Deck condition:Fair [5 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Basically intolerable requiring high priority of corrrective action [3]
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:43.6
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$742,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
October 2018FairFairFairFair36043.6
October 2016FairFairFairFair36047.7
October 2014FairFairFairFair36047.7
October 2012PoorFairFairSerious36017.2
October 2010PoorFairFairPoor36020.1
October 2008PoorFairSatisfactoryPoor36020.1
October 2006PoorFairSatisfactoryPoor36020.1
November 2004PoorSatisfactorySatisfactoryPoor36021.5
November 2002PoorSatisfactorySatisfactoryPoor36021.5
January 2001Fair-FairFair360477.0
November 2000PoorSatisfactorySatisfactoryPoor36018.7
October 1998PoorSatisfactorySatisfactoryPoor36018.7
November 1996PoorSatisfactorySatisfactoryPoor36018.7
October 1994PoorSatisfactorySatisfactoryPoor36018.7
November 1992PoorSatisfactoryFairPoor36018.7
October 1990PoorSatisfactorySeriousPoor36018.7

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Timber Girder/Beamlinear ft.1,3281,2580070
Steel Stringerlinear ft.648064800
Steel Protective Coatingsq. ft.2,3760002,376
Steel Floor Beamlinear ft.100010000
Steel Protective Coatingsq. ft.500000500
Steel Columneach60060
Steel Protective Coatingsq. ft.270000270
Timber Abutmentlinear ft.9292000
Timber Pileeach79412648
Timber Pier Caplinear ft.3202723855
Corrugated or Orthotropic Decksq. ft.1,12001,12000
Steel Protective Coatingsq. ft.2,2400002,240
Timber Decksq. ft.2,368002,3626
Wearing Surfacessq. ft.79331447360
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.480473700
Steel Protective Coatingsq. ft.1,5981,598000