LA0010 over MISSISSIPPI RIVER

Map

Coordinates:
+30.71875, -91.35670
30°43'08" N, 91°21'24" W

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

Name:	LA0010 over MISSISSIPPI RIVER
Structure number:	616300000610292
Location:	3.9 MILES EAST OF US 61
Purpose:	Carries highway over waterway
Route classification:	Minor Arterial (Rural) `[06]`
Length of largest span:	1583.1 ft. `[482.5 m]`
Total length:	3185.2 ft. `[970.8 m]`
Roadway width between curbs:	60.4 ft. `[18.4 m]`
Deck width edge-to-edge:	85.6 ft. `[26.1 m]`
Vertical clearance below bridge:	62.3 ft. `[19.0 m]`
Owner:	State Highway Agency `[01]`
Year built:	2011
Historic significance:	Historical significance is not determinable at this time `[4]`
Design load:	MS 18 / HS 20 `[5]`
Number of main spans:	9
Main spans material:	Steel continuous `[4]`
Main spans design:	Stayed girder `[14]`
Deck type:	Concrete Precast Panels `[2]`
Wearing surface:	Bituminous `[6]`

Good/Fair/Poor Condition:	Good
Status:	Open, no restriction `[A]`
Average daily traffic:	3,000 `[as of 2016]`
Truck traffic:	18% of total traffic
Deck condition:	Good `[7 out of 9]`
Superstructure condition:	Very Good `[8 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:	75.7

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
April 2018	Good	Good	Very Good	Good	3000	75.7
April 2016	Good	Good	Very Good	Good	3000	75.7
April 2014	Good	Good	Very Good	Good	3000	60.6
April 2012	Good	Good	Very Good	Very Good	3000	60.6

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.	6,370	6,370	0	0	0
Steel Protective Coating	sq. ft.	147,816	147,816	0	0	0
Deck
Reinforced Concrete Deck	sq. ft.	241,423	211,241	30,178	4	0
Superstructure
Steel Main Cable	linear ft.	136	136	0	0	0
Steel Floor Beam	linear ft.	14,316	14,316	0	0	0
Steel Protective Coating	sq. ft.	261,553	261,553	0	0	0
Substructure
Reinforced Concrete Column	each	6	6	0	0	0
Reinforced Concrete Pier Wall	linear ft.	272	236	34	2	0
Reinforced Concrete Pile Cap/Footing	linear ft.	320	320	0	0	0
Reinforced Concrete Pile	each	21	21	0	0	0
Reinforced Concrete Pier Cap	linear ft.	250	250	0	0	0
Joints
Other Joint	linear ft.	130	97	33	0	0
Bearings
Elastomeric Bearing	each	8	8	0	0	0
Enclosed/Concealed Bearing	each	4	4	0	0	0
Fixed Bearing	each	4	4	0	0	0
Pot Bearing	each	8	8	0	0	0
Bridge Rail
Steel or Aluminum Bridge Rail	linear ft.	3,185	3,185	0	0	0
Steel Protective Coating	sq. ft.	6,370	6,370	0	0	0
Reinforced Concrete Bridge Rail	linear ft.	3,185	2,388	797	0	0