US Bridges

LA0064 over Amite River

Good

Livingston Parish, Louisiana · 3.0 Miles West of LA 16 · Structure no. 623200000620275

Built
2012
13 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
2,550 ft
12 main spans
Daily traffic
19,524
2021 count
Owner
State
State Highway Agency

About this bridge

LA0064 over Amite River is a prestressed concrete continuous stringer/multi-beam or girder carrying LA0064 over Amite River in Livingston Parish, Louisiana. It was built in 2012, so it is 13 years old, younger than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 19,524 vehicles a day, roughly 6% of them trucks, projected to reach 21,476 by 2041. The structure is 2,550 ft (777.2 m) long and 73 ft wide. If it were closed, the detour would be 34.8 mi (56 km).

CarriesLA0064
CrossesAmite River
Location3.0 Miles West of LA 16
RouteState Highway 64
Coordinates30.53526, -90.9839
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.3 US tons
Inventory rating51.8 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans12
Design loadHS 20
Structure length2,550 ft (777.2 m)
Longest span220 ft (67.1 m)
Deck width73 ft (22.1 m)
Roadway width70 ft (21.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,524 (2021)
Projected traffic21,476 by 2041
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.8 mi (56 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0064 over Amite River built?

It was built in 2012, making it 13 years old in 2025.

What condition is LA0064 over Amite River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2024.

How much traffic does LA0064 over Amite River carry?

About 19,524 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is LA0064 over Amite River?

The structure is 2,550 ft (777.2 m) long with a longest span of 220 ft (67.1 m) and a deck 73 ft wide.

Who owns LA0064 over Amite River?

It is owned by the State Highway Agency.