US 61 over LITTLE BAYOU PIERRE

Map

Coordinates:
+31.96437, -90.98047
31°57'52" N, 90°58'50" W

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

Name:	US 61 over LITTLE BAYOU PIERRE
Structure number:	210006101108640
Location:	0.3 MI S SR 18
Purpose:	Carries highway over waterway
Route classification:	Principal Arterial - Other (Rural) `[02]`
Length of largest span:	174.9 ft. `[53.3 m]`
Total length:	875.0 ft. `[266.7 m]`
Roadway width between curbs:	27.9 ft. `[8.5 m]`
Deck width edge-to-edge:	38.1 ft. `[11.6 m]`
Owner:	State Highway Agency `[01]`
Year built:	1947
Historic significance:	Bridge is not eligible for the National Register of Historic Places `[5]`
Design load:	MS 13.5 / HS 15 `[3]`
Number of main spans:	3
Main spans material:	Steel continuous `[4]`
Main spans design:	Girder and floorbeam system `[03]`
Deck type:	Concrete Cast-in-Place `[1]`

Good/Fair/Poor Condition:	Fair
Status:	Open, no restriction `[A]`
Average daily traffic:	11,000 `[as of 2017]`
Truck traffic:	4% of total traffic
Deck condition:	Fair `[5 out of 9]`
Superstructure condition:	Fair `[5 out of 9]`
Substructure condition:	Satisfactory `[6 out of 9]`
Structural appraisal:	Somewhat better than minimum adequacy to tolerate being left in place as is `[5]`
Deck geometry appraisal:	Meets minimum tolerable limits to be left in place as is `[4]`
Water adequacy appraisal:	Equal to present desirable criteria `[8]`
Roadway alignment appraisal:	Equal to present desirable criteria `[8]`
Channel protection:	Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. `[6]`
Scour condition:	Bridge foundations determined to be stable for assessed or calculated scour condition. `[5]`
Sufficiency rating:	46.6
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. `[31]`
Estimated cost of work:	$999,999,000

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
February 2018	Fair	Fair	Fair	Satisfactory	11000	46.6
February 2017	Fair	Fair	Satisfactory	Satisfactory	13000	51.2
February 2016	Fair	Fair	Satisfactory	Satisfactory	8100	51.2
February 2015	Fair	Fair	Satisfactory	Satisfactory	8300	51.2
February 2014	Fair	Satisfactory	Satisfactory	Satisfactory	8200	51.3
February 2013	Fair	Satisfactory	Satisfactory	Satisfactory	7000	51.3
February 2012	Fair	Satisfactory	Satisfactory	Satisfactory	7000	51.3
February 2011	Fair	Satisfactory	Satisfactory	Satisfactory	7000	51.3
March 2009	Fair	Satisfactory	Satisfactory	Good	7000	52.3
May 2008	Fair	Satisfactory	Satisfactory	Good	7000	52.3
March 2007	Fair	Satisfactory	Satisfactory	Good	7300	52.3
February 2005	Fair	Satisfactory	Satisfactory	Good	7100	52.3
March 2003	Fair	Satisfactory	Satisfactory	Good	6700	52.3
February 2002	Fair	Satisfactory	Satisfactory	Good	6600	52.3
March 2001	Fair	Satisfactory	Satisfactory	Good	6300	50.3
February 1999	Fair	Satisfactory	Satisfactory	Good	6300	49.3
June 1998	Fair	Satisfactory	Satisfactory	Good	6300	49.3
June 1997	Fair	Satisfactory	Satisfactory	Good	6300	49.9
April 1996	Fair	Satisfactory	Satisfactory	Good	6000	49.4
May 1995	Fair	Satisfactory	Satisfactory	Good	5700	46.5
April 1993	Good	Good	Good	Good	4220	46.5
March 1991	Good	Good	Good	Very Good	9390	46.2

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.	3,250	0	3,010	240	0
Steel Protective Coating	sq. ft.	39,046	0	25,636	8,200	5,210
Steel Stringer	linear ft.	1,533	0	973	376	184
Steel Protective Coating	sq. ft.	6,728	0	5,210	1,334	184
Deck
Reinforced Concrete Deck	sq. ft.	33,303	0	12,500	20,803	0
Superstructure
Steel Floor Beam	linear ft.	754	0	702	52	0
Steel Protective Coating	sq. ft.	5,960	0	396	3,640	1,924
Steel Pin or Pin & Hangar Assembly	each	4	0	4	0	0
Steel Protective Coating	sq. ft.	20	0	0	20	0
Substructure
Reinforced Concrete Pier Wall	linear ft.	118	0	118	0	0
Reinforced Concrete Abutment	linear ft.	64	0	64	0	0
Steel Pile	each	40	0	0	40	0
Steel Protective Coating	sq. ft.	391	0	0	104	287
Reinforced Concrete Pier Cap	linear ft.	376	0	376	0	0
Joints
Pourable Joint	linear ft.	894	0	0	0	894
Assembly without Seal Joint	linear ft.	112	0	0	112	0
Bearings
Movable Bearing	each	65	0	45	20	0
Steel Protective Coating	sq. ft.	65	0	0	45	20
Fixed Bearing	each	53	0	33	20	0
Steel Protective Coating	sq. ft.	53	0	33	20	0
Bridge Rail
Steel or Aluminum Bridge Rail	linear ft.	1,750	0	1,414	200	136
Steel Protective Coating	sq. ft.	3,500	0	2,100	600	800