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LOCAL ROAD over DRAINAGE BAYOU

Map

Coordinates:
+30.49000, -91.11670
30°29'24" N, 91°07'00" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:LOCAL ROAD over DRAINAGE BAYOU
Structure number:611730294910701
Location:1 MI N. LA 37, US 61
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Local (Rural) [09]
Length of largest span:9.8 ft. [3.0 m]
Total length:21.0 ft. [6.4 m]
Roadway width between curbs:27.9 ft. [8.5 m]
Deck width edge-to-edge:52.2 ft. [15.9 m]
Skew angle:32°
Owner:County Highway Agency [02]
Year built:1969
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:2
Main spans material:Concrete [1]
Main spans design:Culvert [19]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: July 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:5,638 [as of 1979]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Better than present minimum criteria [7]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Culvert condition:Shrinkage cracks, light scaling and insignificant spalling which does not expose reinforcing steel. Insignificant damage caused by drift with no misalignment and not requiring corrective action. Some minor scouring has occured near curtain walls, wingwalls or pipes. Metal culverts have a smooth symmetrical curvature with superficial corrosion and no pitting. [7]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:80.0
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$111,000

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
July 2017Good7 out of 10563880.0
July 2015Good7 out of 10563877.0
August 2013Good7 out of 10563877.0
August 2011Good7 out of 10563877.0
July 2009Fair6 out of 10563877.0
July 2007Good7 out of 10563877.0
August 2005Good7 out of 10563877.0
November 2003Good7 out of 10563877.0
November 2001Good7 out of 10563877.0
February 2000Good7 out of 10563877.0
January 1998Good7 out of 10563878.0
June 1993Good8 out of 10563877.9
June 1991Good8 out of 10563877.9

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Culvert
Reinforced Concrete Culvertlinear ft.120120000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.132132000
Steel Protective Coatingsq. ft.518518000