US Bridges

LA0668 over Delahoussaye Canal

Fair

Iberia Parish, Louisiana · 0.55 MI North of LA 671 · Structure no. 032308232800551

Built
1963
62 years old
Condition
Fair
inspected December 2024
Type
Slab
Concrete
Length
120 ft
6 main spans
Daily traffic
3,169
2021 count
Owner
State
State Highway Agency

About this bridge

LA0668 over Delahoussaye Canal is a concrete slab carrying LA0668 over Delahoussaye Canal in Iberia 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 3,169 vehicles a day, roughly 13% of them trucks, projected to reach 3,485 by 2041. The structure is 120 ft (36.6 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesLA0668
CrossesDelahoussaye Canal
Location0.55 MI North of LA 671
RouteState Highway 668
CountyIberia Parish
StateLouisiana
Coordinates29.90256, -91.6839
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating30 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 width33 ft (10.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,169 (2021)
Projected traffic3,485 by 2041
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 LA0668 over Delahoussaye Canal built?

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

What condition is LA0668 over Delahoussaye Canal in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in December 2024.

How much traffic does LA0668 over Delahoussaye Canal carry?

About 3,169 vehicles per day (2021 count), of which roughly 13% are trucks.

How long is LA0668 over Delahoussaye Canal?

The structure is 120 ft (36.6 m) long with a longest span of 20 ft (6.1 m) and a deck 33 ft wide.

Who owns LA0668 over Delahoussaye Canal?

It is owned by the State Highway Agency.