US Bridges

LA0308 over Lebreton Canal

PoorPosted for load

Lafourche Parish, Louisiana · .5 MI South of LA 3162 · Structure no. 022904070106161

Built
1963
62 years old
Condition
Poor
inspected August 2023
Type
Slab
Concrete
Length
76 ft
4 main spans
Daily traffic
5,198
2021 count
Owner
State
State Highway Agency

About this bridge

LA0308 over Lebreton Canal is a concrete slab carrying LA0308 over Lebreton Canal in Lafourche Parish, Louisiana. It was built in 1963, so it is 62 years old, older than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 5,198 vehicles a day, roughly 13% of them trucks, projected to reach 5,717 by 2041. The structure is 76 ft (23.2 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesLA0308
CrossesLebreton Canal
Location.5 MI South of LA 3162
RouteState Highway 308
CountyLafourche Parish
StateLouisiana
Coordinates29.46541, -90.31111
Functional classUrban Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy0: Immediate repair necessary to put back in service
Approach roadway alignment8: Equal to present desirable criteria
Operating rating20.4 US tons
Inventory rating15.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length76 ft (23.2 m)
Longest span24 ft (7.3 m)
Deck width27 ft (8.3 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,198 (2021)
Projected traffic5,717 by 2041
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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$393,000
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0308 over Lebreton Canal built?

It was built in 1963, making it 62 years old in 2025.

What condition is LA0308 over Lebreton Canal in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2023.

How much traffic does LA0308 over Lebreton Canal carry?

About 5,198 vehicles per day (2021 count), of which roughly 13% are trucks.

How long is LA0308 over Lebreton Canal?

The structure is 76 ft (23.2 m) long with a longest span of 24 ft (7.3 m) and a deck 27 ft wide.

Who owns LA0308 over Lebreton Canal?

It is owned by the State Highway Agency.