US Bridges

LA0308 over Valentine Canal

PoorPosted for load

Lafourche Parish, Louisiana · 6.3 MI North of LA 657 · Structure no. 022904079009361

Built
1964
61 years old
Condition
Poor
inspected August 2024
Type
Slab
Concrete
Length
114 ft
6 main spans
Daily traffic
8,181
2021 count
Owner
State
State Highway Agency

About this bridge

LA0308 over Valentine Canal is a concrete slab carrying LA0308 over Valentine Canal in Lafourche Parish, Louisiana. It was built in 1964, so it is 61 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 3 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 8,181 vehicles a day, roughly 11% of them trucks, projected to reach 8,999 by 2041. The structure is 114 ft (34.7 m) long and 29 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesLA0308
CrossesValentine Canal
Location6.3 MI North of LA 657
RouteState Highway 308
Coordinates29.59298, -90.46812
Functional classUrban Minor Arterial

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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 12 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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating18.5 US tons
Inventory rating15 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans6
Design loadH 15
Structure length114 ft (34.7 m)
Longest span19 ft (5.8 m)
Deck width29 ft (8.7 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,181 (2021)
Projected traffic8,999 by 2041
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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$556,000
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0308 over Valentine Canal built?

It was built in 1964, making it 61 years old in 2025.

What condition is LA0308 over Valentine 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 2024.

How much traffic does LA0308 over Valentine Canal carry?

About 8,181 vehicles per day (2021 count), of which roughly 11% are trucks.

How long is LA0308 over Valentine Canal?

The structure is 114 ft (34.7 m) long with a longest span of 19 ft (5.8 m) and a deck 29 ft wide.

Who owns LA0308 over Valentine Canal?

It is owned by the State Highway Agency.