US Bridges

LA0344 over Teche Bayou/Morbihan

FairPosted for load

Iberia Parish, Louisiana · 0.25 MI North of LA 86 · Structure no. 032308231400251

Built
1967
58 years old
Condition
Fair
inspected November 2024
Type
Movable - Swing
Steel
Length
226 ft
1 main span
Daily traffic
2,035
2021 count
Owner
State
State Highway Agency

About this bridge

LA0344 over Teche Bayou/Morbihan is a steel movable - swing carrying LA0344 over Teche Bayou/Morbihan in Iberia Parish, Louisiana. It was built in 1967, so it is 58 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 2,035 vehicles a day, roughly 9% of them trucks, projected to reach 2,238 by 2041. The structure is 226 ft (68.9 m) long and 34 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesLA0344
CrossesTeche Bayou/Morbihan
Location0.25 MI North of LA 86
RouteState Highway 344
CountyIberia Parish
StateLouisiana
Coordinates30.01565, -91.7739
Functional classUrban 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
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating37 US tons
Inventory rating14 US tons

Structure

Structure typeMovable - Swing
MaterialSteel
DeckOpen grating
Main spans1 (+5 approach)
Design loadHS 20
Structure length226 ft (68.9 m)
Longest span123 ft (37.5 m)
Deck width34 ft (10.4 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deck18 ft (5.4 m)

Traffic and service

Average daily traffic2,035 (2021)
Projected traffic2,238 by 2041
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was LA0344 over Teche Bayou/Morbihan built?

It was built in 1967, making it 58 years old in 2025.

What condition is LA0344 over Teche Bayou/Morbihan 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 November 2024.

How much traffic does LA0344 over Teche Bayou/Morbihan carry?

About 2,035 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is LA0344 over Teche Bayou/Morbihan?

The structure is 226 ft (68.9 m) long with a longest span of 123 ft (37.5 m) and a deck 34 ft wide.

Who owns LA0344 over Teche Bayou/Morbihan?

It is owned by the State Highway Agency.