LA0046 over BAYOU LA LOUTRE

Map

Coordinates:
+29.83870, -89.68790
29°50'19" N, 89°41'16" W

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

Name:	LA0046 over BAYOU LA LOUTRE
Structure number:	024402840204921
Location:	4.6 MI EAST OF LA 300
Purpose:	Carries highway and pedestrian walkway over waterway
Route classification:	Major Collector (Rural) `[07]`
Length of largest span:	55.1 ft. `[16.8 m]`
Total length:	129.9 ft. `[39.6 m]`
Roadway width between curbs:	24.0 ft. `[7.3 m]`
Deck width edge-to-edge:	30.2 ft. `[9.2 m]`
Vertical clearance above deck:	13.8 ft. `[4.2 m]`
Vertical clearance below bridge:	52.5 ft. `[16.0 m]`
Owner:	State Highway Agency `[01]`
Year built:	1957
Historic significance:	Bridge is eligible for the National Register of Historic Places `[2]`
Design load:	M 13.5 / H 15 `[2]`
Main span material:	Steel `[3]`
Main span design:	Movable - Lift `[15]`
Deck type:	Concrete Cast-in-Place `[1]`

Good/Fair/Poor Condition:	Poor
Status:	Open, no restriction `[A]`
Average daily traffic:	1,180 `[as of 2016]`
Truck traffic:	11% of total traffic
Deck condition:	Fair `[5 out of 9]`
Superstructure condition:	Poor `[4 out of 9]`
Substructure condition:	Good `[7 out of 9]`
Structural appraisal:	Basically intolerable requiring high priority of replacement `[2]`
Deck geometry appraisal:	Basically intolerable requiring high priority of replacement `[2]`
Water adequacy appraisal:	Better than present minimum criteria `[7]`
Roadway alignment appraisal:	Meets minimum tolerable limits to be left in place as is `[4]`
Channel protection:	Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. `[8]`
Pier/abutment protection:	In place and functioning `[2]`
Scour condition:	Bridge foundations determined to be stable for the assessed or calculated scour condition. `[8]`
Sufficiency rating:	2.0
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. `[31]`
Estimated cost of work:	$624,000

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
May 2017	Poor	Fair	Poor	Good	1180	2.0
May 2016	Poor	Fair	Poor	Good	1180	2.0
May 2015	Poor	Fair	Poor	Good	1180	2.0
June 2014	Poor	Good	Poor	Good	1180	3.0
July 2013	Poor	Good	Poor	Good	640	4.0
July 2012	Poor	Good	Poor	Good	740	4.0
July 2011	Poor	Very Good	Poor	Very Good	800	3.0
July 2010	Poor	Very Good	Poor	Very Good	1020	3.0
July 2008	Fair	Satisfactory	Satisfactory	Satisfactory	1130	27.4
May 2007	Fair	Satisfactory	Satisfactory	Satisfactory	2300	27.4
January 2006	Fair	Satisfactory	Satisfactory	Fair	2200	17.4
May 2004	Fair	Satisfactory	Satisfactory	Fair	2100	17.4
April 2003	Fair	Satisfactory	Satisfactory	Fair	2100	15.4
May 2000	Fair	Satisfactory	Satisfactory	Fair	1732	17.4
June 1998	Good	Good	Good	Good	2687	27.4
May 1995	Good	Good	Good	Good	2533	27.4
June 1993	Good	Good	Good	Good	1461	27.4
October 1991	Good	Good	Good	Good	1994	29.4

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.

Element	Units	Quantity	1-Good	2-Fair	3-Poor	4-Serious
Superstructure
Steel Girder/Beam	linear ft.	232	97	100	35	0
Steel Protective Coating	sq. ft.	2,088	498	340	1,250	0
Deck
Reinforced Concrete Deck	sq. ft.	1,450	1,410	40	0	0
Superstructure
Steel Floor Beam	linear ft.	100	25	40	35	0
Steel Protective Coating	sq. ft.	825	75	100	650	0
Substructure
Steel Column Tower/Trestle	linear ft.	272	227	20	25	0
Steel Protective Coating	sq. ft.	2,000	1,575	425	0	0
Reinforced Concrete Pier Wall	linear ft.	80	80	0	0	0
Reinforced Concrete Abutment	linear ft.	80	80	0	0	0
Prestressed Concrete Pile	each	8	8	0	0	0
Reinforced Concrete Pier Cap	linear ft.	80	77	0	3	0
Joints
Pourable Joint	linear ft.	50	25	25	0	0
Open Joint	linear ft.	77	47	30	0	0
Bridge Rail
Steel or Aluminum Bridge Rail	linear ft.	260	260	0	0	0
Steel Protective Coating	sq. ft.	510	510	0	0	0
Deck
Reinforced Concrete Slab	sq. ft.	1,800	1,730	70	0	0