LOCAL ROAD over GRAND CAILLOU BAYOU

Map

Coordinates:
+29.43023, -90.70056
29°25'49" N, 90°42'02" W

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

Name:	LOCAL ROAD over GRAND CAILLOU BAYOU
Structure number:	025529255904241
Location:	0.08 MI WEST OF LA 57
Purpose:	Carries highway and pedestrian walkway over waterway
Route classification:	Local (Rural) `[09]`
Length of largest span:	76.1 ft. `[23.2 m]`
Total length:	255.9 ft. `[78.0 m]`
Roadway width between curbs:	28.2 ft. `[8.6 m]`
Deck width edge-to-edge:	34.1 ft. `[10.4 m]`
Vertical clearance above deck:	16.7 ft. `[5.1 m]`
Vertical clearance below bridge:	82.0 ft. `[25.0 m]`
Owner:	County Highway Agency `[02]`
Year built:	1990
Historic significance:	Historical significance is not determinable at this time `[4]`
Design load:	MS 18 / HS 20 `[5]`
Main span material:	Steel `[3]`
Main span design:	Movable - Lift `[15]`
Deck type:	Open Grating `[3]`

Good/Fair/Poor Condition:	Good
Status:	Posted for load `[P]`
Average daily traffic:	1,500 `[as of 2016]`
Deck condition:	Good `[7 out of 9]`
Superstructure condition:	Good `[7 out of 9]`
Substructure condition:	Good `[7 out of 9]`
Structural appraisal:	Better than present minimum criteria `[7]`
Deck geometry appraisal:	Somewhat better than minimum adequacy to tolerate being left in place as is `[5]`
Water adequacy appraisal:	Equal to present desirable criteria `[8]`
Roadway alignment appraisal:	Equal to present desirable criteria `[8]`
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:	63.2

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
June 2017	Good	Good	Good	Good	1500	63.2
June 2015	Good	Very Good	Good	Very Good	1500	61.5
July 2013	Good	Very Good	Good	Very Good	1500	61.5
July 2011	Good	Very Good	Good	Very Good	1500	61.5
June 2009	Good	Good	Very Good	Very Good	1500	61.5
October 2007	Good	Good	Very Good	Very Good	1500	61.5
December 2005	Good	Good	Very Good	Very Good	1500	61.5
December 2003	Good	Good	Very Good	Very Good	1500	61.5
December 2001	Good	Good	Very Good	Very Good	1500	61.5
January 2000	Good	Good	Very Good	Very Good	1500	61.5
November 1997	Good	Good	Very Good	Very Good	1500	61.5
August 1995	Good	Very Good	Very Good	Very Good	1500	63.7
October 1993	Good	Very Good	Very Good	Very Good	1500	63.7
September 1991	Good	Very Good	Very Good	Very Good	1500	63.7

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

Element	Units	Quantity	1-Good	2-Fair	3-Poor	4-Serious
Superstructure
Steel Girder/Beam	linear ft.	539	529	10	0	0
Steel Protective Coating	sq. ft.	4,851	4,851	0	0	0
Substructure
Steel Column Tower/Trestle	linear ft.	338	338	0	0	0
Steel Protective Coating	sq. ft.	1,690	1,690	0	0	0
Reinforced Concrete Abutment	linear ft.	96	96	0	0	0
Reinforced Concrete Pile	each	77	76	1	0	0
Steel Pier Cap	linear ft.	80	80	0	0	0
Steel Protective Coating	sq. ft.	720	720	0	0	0
Reinforced Concrete Pier Cap	linear ft.	482	472	10	0	0
Deck
Open Grid Deck	sq. ft.	2,079	2,078	1	0	0
Steel Protective Coating	sq. ft.	2,079	2,079	0	0	0
Joints
Pourable Joint	linear ft.	270	135	0	135	0
Open Joint	linear ft.	60	60	0	0	0
Bridge Rail
Steel or Aluminum Bridge Rail	linear ft.	154	154	0	0	0
Steel Protective Coating	sq. ft.	100	100	0	0	0
Reinforced Concrete Bridge Rail	linear ft.	364	364	0	0	0
Deck
Reinforced Concrete Slab	sq. ft.	4,914	4,869	45	0	0
Steel Protective Coating	sq. ft.	308	308	0	0	0