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Lawrence Road over BLACK LAKE BAYOU TRIB.

Map

Coordinates:
+32.10000, -93.20330
32°06'00" N, 93°12'12" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:Lawrence Road over BLACK LAKE BAYOU TRIB.
Structure number:044132060931221
Location:0.6 MI. NORTH OF LA 155
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:12.1 ft. [3.7 m]
Total length:42.0 ft. [12.8 m]
Owner:County Highway Agency [02]
Year built:1986
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:3
Main spans material:Steel [3]
Main spans design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: September 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:50 [as of 1980]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Better than present minimum criteria [7]
Channel protection:Bank protection is being eroded. River control devices and/or embankment have major damage. Trees and rush restrict the channel. [5]
Pier/abutment protection:Navigation protection not required [1]
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:Countermeasures have been installed to mitigate an existing problem with scour. [7]
Sufficiency rating:70.8

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
September 2017Good7 out of 105070.8
September 2015Good7 out of 105070.8
September 2013Good7 out of 1050100.0
September 2011Good7 out of 1050100.0
September 2009Good7 out of 1050100.0
September 2007Good8 out of 1050100.0
August 2005Good8 out of 1050100.0
August 2003Good8 out of 1050100.0
August 2001Good8 out of 1050100.0
July 1999Good8 out of 1050100.0
August 1997Good8 out of 1050100.0
May 1995Good8 out of 1050100.0
May 1993Good8 out of 1050100.0
August 1991Good8 out of 1050100.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Culvert
Steel Culvertlinear ft.132132000
Steel Protective Coatingsq. ft.3,8600003,860