US0090 over ATCHAFALAYA RIVER

Map

Coordinates:
+29.69446, -91.21690
29°41'40" N, 91°13'01" W

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

Name:	US0090 over ATCHAFALAYA RIVER
Structure number:	035104240532701
Location:	INT OF US 90 AND LA 70
Purpose:	Carries highway over waterway
Route classification:	Principal Arterial - Other Freeways or Expressways (Urban) `[12]`
Length of largest span:	617.2 ft. `[188.1 m]`
Total length:	1839.0 ft. `[560.5 m]`
Roadway width between curbs:	67.9 ft. `[20.7 m]`
Deck width edge-to-edge:	79.1 ft. `[24.1 m]`
Vertical clearance below bridge:	49.2 ft. `[15.0 m]`
Owner:	State Highway Agency `[01]`
Year built:	1975
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:	3
Main spans material:	Steel continuous `[4]`
Main spans design:	Truss - Thru `[10]`
Deck type:	Concrete Cast-in-Place `[1]`

Good/Fair/Poor Condition:	Poor
Status:	Open, no restriction `[A]`
Average daily traffic:	33,800 `[as of 2014]`
Truck traffic:	12% of total traffic
Deck condition:	Good `[7 out of 9]`
Superstructure condition:	Serious `[3 out of 9]`
Substructure condition:	Satisfactory `[6 out of 9]`
Structural appraisal:	Basically intolerable requiring high priority of corrrective action `[3]`
Deck geometry appraisal:	Superior to present desirable criteria `[9]`
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]`
Scour condition:	Countermeasures have been installed to mitigate an existing problem with scour. `[7]`
Sufficiency rating:	49.4
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. `[31]`
Estimated cost of work:	$12,192,000

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
March 2016	Poor	Good	Serious	Satisfactory	33800	49.4
March 2015	Poor	Good	Serious	Satisfactory	34200	49.4
March 2014	Poor	Good	Serious	Satisfactory	33800	49.4
March 2012	Poor	Good	Serious	Satisfactory	33000	47.0
March 2010	Fair	Good	Satisfactory	Satisfactory	32500	89.7
February 2008	Fair	Good	Satisfactory	Satisfactory	33900	89.5
March 2006	Fair	Good	Satisfactory	Good	31800	89.7
March 2004	Fair	Good	Satisfactory	Good	27500	90.1
February 2002	Fair	Good	Satisfactory	Good	25215	90.4
February 2000	Fair	Good	Satisfactory	Good	25187	88.4
February 1998	Fair	Good	Satisfactory	Good	25187	88.4
February 1996	Fair	Good	Satisfactory	Good	24767	88.9
March 1994	Fair	Good	Satisfactory	Good	24522	91.2
January 1992	Fair	Good	Satisfactory	Good	22166	91.3

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

Element	Units	Quantity	1-Good	2-Fair	3-Poor	4-Serious
Superstructure
Steel Stringer	linear ft.	18,460	4,874	13,550	36	0
Steel Protective Coating	sq. ft.	170,755	0	0	170,755	0
Deck
Reinforced Concrete Deck	sq. ft.	132,912	0	132,912	0	0
Superstructure
Steel Truss	linear ft.	3,692	0	2,793	899	0
Steel Protective Coating	sq. ft.	100	0	0	100	0
Steel Floor Beam	linear ft.	3,626	0	3,586	40	0
Steel Protective Coating	sq. ft.	65,359	0	0	65,359	0
Steel Pin or Pin & Hangar Assembly	each	8	2	0	6	0
Steel Gusset Plate	each	96	0	48	48	0
Steel Protective Coating	sq. ft.	2,584	0	0	2,584	0
Substructure
Reinforced Concrete Column	each	4	4	0	0	0
Reinforced Concrete Pier Wall	linear ft.	288	263	0	25	0
Reinforced Concrete Pier Cap	linear ft.	144	144	0	0	0
Joints
Compression Joint	linear ft.	1,440	0	0	0	1,440
Assembly without Seal Joint	linear ft.	298	188	40	70	0
Bearings
Movable Bearing	each	8	6	2	0	0
Steel Protective Coating	sq. ft.	640	0	640	0	0
Enclosed/Concealed Bearing	each	30	22	8	0	0
Steel Protective Coating	sq. ft.	640	0	640	0	0
Bridge Rail
Reinforced Concrete Bridge Rail	linear ft.	5,538	4,914	615	9	0