US Bridges

LA0064 over Hub Bayou

Good

East Baton Rouge Parish, Louisiana · 4.0 M SE of LA 64&LA 67 · Structure no. 611702530401871

Built
1957
68 years old
Condition
Good
inspected December 2024
Type
Slab
Concrete
Length
80 ft
4 main spans
Daily traffic
6,046
2021 count
Owner
State
State Highway Agency

About this bridge

LA0064 over Hub Bayou is a concrete slab carrying LA0064 over Hub Bayou in East Baton Rouge Parish, Louisiana. It was built in 1957, so it is 68 years old, older 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 6,046 vehicles a day, roughly 7% of them trucks, projected to reach 6,650 by 2041. The structure is 80 ft (24.4 m) long and 29 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesLA0064
CrossesHub Bayou
Location4.0 M SE of LA 64&LA 67
RouteState Highway 64
CountyEast Baton Rouge Parish
StateLouisiana
Coordinates30.62477, -91.04384
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 protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39 US tons
Inventory rating23 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length80 ft (24.4 m)
Longest span20 ft (6.1 m)
Deck width29 ft (8.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,046 (2021)
Projected traffic6,650 by 2041
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$412,000
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0064 over Hub Bayou built?

It was built in 1957, making it 68 years old in 2025.

What condition is LA0064 over Hub 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 December 2024.

How much traffic does LA0064 over Hub Bayou carry?

About 6,046 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is LA0064 over Hub Bayou?

The structure is 80 ft (24.4 m) long with a longest span of 20 ft (6.1 m) and a deck 29 ft wide.

Who owns LA0064 over Hub Bayou?

It is owned by the State Highway Agency.