US Bridges

LA0092 over Teche Bayou

Fair

St. Martin Parish, Louisiana · 0.49 MI E of LA 31 · Structure no. 035002130804881

Built
1984
41 years old
Condition
Fair
inspected November 2024
Type
Movable - Swing
Steel
Length
323 ft
1 main span
Daily traffic
4,071
2021 count
Owner
State
State Highway Agency

About this bridge

LA0092 over Teche Bayou is a steel movable - swing carrying LA0092 over Teche Bayou in St. Martin Parish, Louisiana. It was built in 1984, so it is 41 years old, younger 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 4,071 vehicles a day, roughly 13% of them trucks, projected to reach 4,478 by 2041. The structure is 323 ft (98.5 m) long and 35 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesLA0092
CrossesTeche Bayou
Location0.49 MI E of LA 31
RouteState Highway 92
CountySt. Martin Parish
StateLouisiana
Coordinates30.09583, -91.8345
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 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 rating48 US tons
Inventory rating35.1 US tons

Structure

Structure typeMovable - Swing
MaterialSteel
DeckOpen grating
Main spans1 (+9 approach)
Design loadHS 20
Structure length323 ft (98.5 m)
Longest span142 ft (43.3 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deck19 ft (5.7 m)

Traffic and service

Average daily traffic4,071 (2021)
Projected traffic4,478 by 2041
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 LA0092 over Teche Bayou built?

It was built in 1984, making it 41 years old in 2025.

What condition is LA0092 over Teche Bayou 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 LA0092 over Teche Bayou carry?

About 4,071 vehicles per day (2021 count), of which roughly 13% are trucks.

How long is LA0092 over Teche Bayou?

The structure is 323 ft (98.5 m) long with a longest span of 142 ft (43.3 m) and a deck 35 ft wide.

Who owns LA0092 over Teche Bayou?

It is owned by the State Highway Agency.