US Bridges

LA0086 over Bayou Teche Daspit

Fair

Iberia Parish, Louisiana · 0.24 MI West of LA 347 · Structure no. 032304003100241

Built
1965
60 years old
Condition
Fair
inspected November 2024
Type
Movable - Swing
Steel
Length
322 ft
2 main spans
Daily traffic
3,834
2021 count
Owner
State
State Highway Agency

About this bridge

LA0086 over Bayou Teche Daspit is a steel movable - swing carrying LA0086 over Bayou Teche Daspit in Iberia Parish, Louisiana. It was built in 1965, so it is 60 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 3,834 vehicles a day, roughly 9% of them trucks, projected to reach 4,217 by 2041. The structure is 322 ft (98.1 m) long and 32 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesLA0086
CrossesBayou Teche Daspit
Location0.24 MI West of LA 347
RouteState Highway 86
CountyIberia Parish
StateLouisiana
Coordinates30.04112, -91.8008
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
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 rating41 US tons
Inventory rating13 US tons

Structure

Structure typeMovable - Swing
MaterialSteel
DeckOpen grating
Main spans2 (+8 approach)
Design loadHS 20
Structure length322 ft (98.1 m)
Longest span135 ft (41.1 m)
Deck width32 ft (9.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck17 ft (5.2 m)

Traffic and service

Average daily traffic3,834 (2021)
Projected traffic4,217 by 2041
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 LA0086 over Bayou Teche Daspit built?

It was built in 1965, making it 60 years old in 2025.

What condition is LA0086 over Bayou Teche Daspit 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 LA0086 over Bayou Teche Daspit carry?

About 3,834 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is LA0086 over Bayou Teche Daspit?

The structure is 322 ft (98.1 m) long with a longest span of 135 ft (41.1 m) and a deck 32 ft wide.

Who owns LA0086 over Bayou Teche Daspit?

It is owned by the State Highway Agency.