LA0019 over SLOUGH


+30.63222, -91.15920
30°37'56" N, 91°09'33" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:LA0019 over SLOUGH
Structure number:611702500107641
Location:1.2 M S of LA 19&LA 64
Purpose:Carries highway over waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:7.9 ft. [2.4 m]
Total length:36.1 ft. [11.0 m]
Owner:State Highway Agency [01]
Year built:1988
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 13.5 / H 15 [2]
Number of main spans:4
Main spans material:Concrete [1]
Main spans design:Culvert [19]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: February 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:15,700 [as of 2015]
Truck traffic:10% of total traffic
Structural appraisal:Better than present minimum criteria [7]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank and embankment protection is severely undermined. River control devices have severe damage. Large deposits of debris are in the channel. [4]
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:83.2

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
February 2017Good7 out of 101570083.2
February 2015Good7 out of 101570083.2
March 2013Good7 out of 101660083.1
April 2011Fair6 out of 101680083.1
April 2009Fair6 out of 101890082.9
April 2007Good8 out of 101980079.8
April 2005Good8 out of 101860079.9
April 2003Good8 out of 101820079.9
April 2001Good8 out of 101744380.0
April 1999Good8 out of 101434178.4
April 1997Good8 out of 101896577.8
April 1995Good8 out of 10932479.2
April 1993Good8 out of 10932479.2
April 1991Good8 out of 10932479.2

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
Reinforced Concrete Culvertlinear ft.648064800