US Bridges

LA0024 over Cane Bayou

Good

Terrebonne Parish, Louisiana · .3 M South of LA 3040 · Structure no. 025500000003260

Built
1960
65 years old
Condition
Good
inspected April 2024
Type
Slab
Concrete
Length
100 ft
5 main spans
Daily traffic
23,871
2021 count
Owner
State
State Highway Agency

About this bridge

LA0024 over Cane Bayou is a concrete slab carrying LA0024 over Cane Bayou in Terrebonne Parish, Louisiana. It was built in 1960, so it is 65 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 23,871 vehicles a day, roughly 10% of them trucks, projected to reach 26,258 by 2041. The structure is 100 ft (30.5 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLA0024
CrossesCane Bayou
Location.3 M South of LA 3040
RouteState Highway 24
Coordinates29.63172, -90.7577
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.8 US tons
Inventory rating25.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span20 ft (6.1 m)
Deck width32 ft (9.9 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,871 (2021)
Projected traffic26,258 by 2041
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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$498,000
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0024 over Cane Bayou built?

It was built in 1960, making it 65 years old in 2025.

What condition is LA0024 over Cane 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 April 2024.

How much traffic does LA0024 over Cane Bayou carry?

About 23,871 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is LA0024 over Cane Bayou?

The structure is 100 ft (30.5 m) long with a longest span of 20 ft (6.1 m) and a deck 32 ft wide.

Who owns LA0024 over Cane Bayou?

It is owned by the State Highway Agency.