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LA0129 over SIX MILE BAYOU

Concordia Parish, Louisiana

Map

Coordinates:
+31.32763, -91.82710
31°19'39" N, 91°49'38" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.

Name:	LA0129 over SIX MILE BAYOU
Structure number:	581508150401351
Location:	1.35 MI NORTH OF LA 909
Purpose:	Carries highway over waterway
Route classification:	Minor Collector (Rural) `[08]`
Length of largest span:	19.0 ft. `[5.8 m]`
Total length:	95.1 ft. `[29.0 m]`
Roadway width between curbs:	28.2 ft. `[8.6 m]`
Deck width edge-to-edge:	30.8 ft. `[9.4 m]`
Owner:	State Highway Agency `[01]`
Year built:	1971
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:	5
Main spans material:	Concrete `[1]`
Main spans design:	Slab `[01]`
Deck type:	Concrete Cast-in-Place `[1]`
Wearing surface:	Bituminous `[6]`

Latest Available Inspection: March 2017

Good/Fair/Poor Condition:	Poor
Status:	Open, no restriction `[A]`
Average daily traffic:	120 `[as of 2015]`
Truck traffic:	5% of total traffic
Deck condition:	Good `[7 out of 9]`
Superstructure condition:	Good `[7 out of 9]`
Substructure condition:	Poor `[4 out of 9]`
Structural appraisal:	Meets minimum tolerable limits to be left in place as is `[4]`
Deck geometry appraisal:	Equal to present minimum criteria `[6]`
Water adequacy appraisal:	Equal to present desirable criteria `[8]`
Roadway alignment appraisal:	Equal to present desirable criteria `[8]`
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 foundations determined to be stable for the assessed or calculated scour condition. `[8]`
Sufficiency rating:	60.6

Previous Inspections

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
March 2017	Poor	Good	Good	Poor	120	60.6
March 2014	Good	Good	Very Good	Very Good	123	87.8
March 2012	Good	Good	Very Good	Very Good	210	86.9
June 2010	Good	Good	Very Good	Very Good	210	86.9
June 2008	Good	Good	Very Good	Very Good	220	86.8
February 2006	Good	Good	Very Good	Very Good	200	87.0
December 2003	Good	Good	Very Good	Very Good	210	86.9
August 2001	Good	Good	Very Good	Very Good	172	87.3
September 1999	Good	Good	Very Good	Very Good	172	87.3
August 1997	Good	Good	Very Good	Very Good	178	85.2
August 1995	Good	Good	Very Good	Very Good	206	85.4
August 1993	Good	Good	Very Good	Very Good	153	85.8
August 1991	Good	Good	Very Good	Very Good	148	85.8

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.

Element	Units	Quantity	1-Good	2-Fair	3-Poor	4-Serious
Deck
Reinforced Concrete Deck	sq. ft.	2,945	2,945	0	0	0
Wearing Surfaces	sq. ft.	1,995	1,995	0	0	0
Prestressed Concrete Deck	sq. ft.	2,945	2,945	0	0	0
Wearing Surfaces	sq. ft.	1,995	1,995	0	0	0
Substructure
Timber Abutment	linear ft.	64	0	32	32	0
Timber Pile	each	32	29	2	0	1
Prestressed Concrete Pier Cap	linear ft.	192	186	6	0	0
Joints
Pourable Joint	linear ft.	256	256	0	0	0
Bridge Rail
Steel or Aluminum Bridge Rail	linear ft.	310	310	0	0	0
Steel Protective Coating	sq. ft.	1,510	1,510	0	0	0

© Copyright 2012-20, James Baughn
Disclaimer: All data is taken from the National Bridge Inventory and has not been verified.
This page's URL is http://bridgereports.com/1230935