US Bridges

LA0671 over Bayou Teche Jean.

PoorPosted for load

Iberia Parish, Louisiana · 0.16 MI East of LA 182 · Structure no. 032302410100161

Built
1944
81 years old
Condition
Poor
inspected May 2024
Type
Movable - Swing
Steel
Length
294 ft
1 main span
Daily traffic
496
2021 count
Owner
State
State Highway Agency

About this bridge

LA0671 over Bayou Teche Jean. is a steel movable - swing carrying LA0671 over Bayou Teche Jean. in Iberia Parish, Louisiana. It was built in 1944, so it is 81 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 496 vehicles a day, roughly 9% of them trucks, projected to reach 545 by 2041. The structure is 294 ft (89.6 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesLA0671
CrossesBayou Teche Jean.
Location0.16 MI East of LA 182
RouteState Highway 671
Coordinates29.91396, -91.6628
Functional classUrban Collector

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.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating16.4 US tons
Inventory rating12.5 US tons

Structure

Structure typeMovable - Swing
MaterialSteel
DeckOpen grating
Main spans1 (+4 approach)
Design loadH 15
Structure length294 ft (89.6 m)
Longest span204 ft (62.2 m)
Deck width28 ft (8.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic496 (2021)
Projected traffic545 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 statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.3 million
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was LA0671 over Bayou Teche Jean. built?

It was built in 1944, making it 81 years old in 2025.

What condition is LA0671 over Bayou Teche Jean. 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 May 2024.

How much traffic does LA0671 over Bayou Teche Jean. carry?

About 496 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is LA0671 over Bayou Teche Jean.?

The structure is 294 ft (89.6 m) long with a longest span of 204 ft (62.2 m) and a deck 28 ft wide.

Who owns LA0671 over Bayou Teche Jean.?

It is owned by the State Highway Agency.