US Bridges

LA0064 over Baton Rouge Bayou

Good

East Baton Rouge Parish, Louisiana · East of US 61 · Structure no. 611702530201191

Built
1993
32 years old
Condition
Good
inspected May 2023
Type
Slab
Concrete
Length
120 ft
6 main spans
Daily traffic
9,464
2021 count
Owner
State
State Highway Agency

About this bridge

LA0064 over Baton Rouge Bayou is a concrete slab carrying LA0064 over Baton Rouge Bayou in East Baton Rouge Parish, Louisiana. It was built in 1993, so it is 32 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 9,464 vehicles a day, roughly 7% of them trucks, projected to reach 10,410 by 2041. The structure is 120 ft (36.6 m) long and 43 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesLA0064
CrossesBaton Rouge Bayou
LocationEast of US 61
RouteState Highway 64
Coordinates30.64778, -91.228
Functional classUrban Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72 US tons
Inventory rating43 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span20 ft (6.1 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,464 (2021)
Projected traffic10,410 by 2041
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0064 over Baton Rouge Bayou built?

It was built in 1993, making it 32 years old in 2025.

What condition is LA0064 over Baton Rouge Bayou 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 May 2023.

How much traffic does LA0064 over Baton Rouge Bayou carry?

About 9,464 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is LA0064 over Baton Rouge Bayou?

The structure is 120 ft (36.6 m) long with a longest span of 20 ft (6.1 m) and a deck 43 ft wide.

Who owns LA0064 over Baton Rouge Bayou?

It is owned by the State Highway Agency.