US Bridges

LA3182 over Bayou Teche

Fair

Iberia Parish, Louisiana · 0.08 MI East of LA 182 · Structure no. 032308234300081

Built
1980
45 years old
Condition
Fair
inspected March 2023
Type
Movable - Swing
Steel
Length
302 ft
1 main span
Daily traffic
1,390
2021 count
Owner
State
State Highway Agency

About this bridge

LA3182 over Bayou Teche is a steel movable - swing carrying LA3182 over Bayou Teche in Iberia Parish, Louisiana. It was built in 1980, so it is 45 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.

It carries about 1,390 vehicles a day, roughly 9% of them trucks, projected to reach 1,529 by 2041. The structure is 302 ft (92 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesLA3182
CrossesBayou Teche
Location0.08 MI East of LA 182
RouteState Highway 3182
Coordinates29.92987, -91.6803
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
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 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 rating41 US tons
Inventory rating24 US tons

Structure

Structure typeMovable - Swing
MaterialSteel
DeckOpen grating
Main spans1 (+8 approach)
Design loadHS 20
Structure length302 ft (92 m)
Longest span142 ft (43.3 m)
Deck width33 ft (10 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck20 ft (6 m)

Traffic and service

Average daily traffic1,390 (2021)
Projected traffic1,529 by 2041
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was LA3182 over Bayou Teche built?

It was built in 1980, making it 45 years old in 2025.

What condition is LA3182 over Bayou Teche 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 March 2023.

How much traffic does LA3182 over Bayou Teche carry?

About 1,390 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is LA3182 over Bayou Teche?

The structure is 302 ft (92 m) long with a longest span of 142 ft (43.3 m) and a deck 33 ft wide.

Who owns LA3182 over Bayou Teche?

It is owned by the State Highway Agency.