Carrol St over BLACK BAYOU


+29.68667, -90.99000
29°41'12" N, 90°59'24" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:Carrol St over BLACK BAYOU
Structure number:025529412905941
Location:0012 LOG MI FROM IN
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:97.1 ft. [29.6 m]
Total length:122.1 ft. [37.2 m]
Roadway width between curbs:11.8 ft. [3.6 m]
Deck width edge-to-edge:13.8 ft. [4.2 m]
Vertical clearance above deck:14.1 ft. [4.3 m]
Owner:County Highway Agency [02]
Year built:1945
Historic significance:Bridge is eligible for the National Register of Historic Places [2]
Design load:MS 13.5 / HS 15 [3]
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: April 2017

Status:Bridge closed to all traffic [K]
Average daily traffic:660 [as of 1972]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Meets minimum tolerable limits to be left in place as is [4]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:13.1
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$414,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
April 2017----66013.1
April 2015----66013.1
May 2013PoorFairSeriousPoor66017.0
May 2011PoorPoorSeriousPoor66013.1
April 2009PoorGoodSeriousGood66017.0
March 2007PoorGoodSeriousGood66017.0
November 2005PoorGoodSeriousSatisfactory66017.0
October 2003PoorSatisfactorySeriousSatisfactory66017.0
December 2001PoorSatisfactorySeriousFair66017.0
January 2000PoorPoorSeriousFair66013.1
October 1997PoorPoorSeriousFair66013.1
July 1995PoorCriticalCriticalFair66012.8
September 1993PoorPoorCriticalFair66012.8
September 1991PoorPoorCriticalFair66012.8

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Girder/Beamlinear ft.854641706200
Steel Floor Beamlinear ft.1201525800
Timber Abutmentlinear ft.40202000
Timber Pileeach33201210
Timber Pier Caplinear ft.60045150
Timber Decksq. ft.1,70801,70800
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.2441648000