US Bridges

LA0320 over Tete Bayou

Fair

Iberia Parish, Louisiana · 1 MI East of LA 87 · Structure no. 032308231201361

Built
1972
53 years old
Condition
Fair
inspected November 2024
Type
Slab
Concrete
Length
57 ft
3 main spans
Daily traffic
3,241
2021 count
Owner
State
State Highway Agency

About this bridge

LA0320 over Tete Bayou is a concrete slab carrying LA0320 over Tete Bayou in Iberia Parish, Louisiana. It was built in 1972, so it is 53 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 3,241 vehicles a day, roughly 9% of them trucks, projected to reach 3,565 by 2041. The structure is 57 ft (17.4 m) long and 35 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesLA0320
CrossesTete Bayou
Location1 MI East of LA 87
RouteState Highway 320
CountyIberia Parish
StateLouisiana
Coordinates29.99469, -91.7458
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 inspectionNovember 2024
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 rating37.8 US tons
Inventory rating27.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length57 ft (17.4 m)
Longest span19 ft (5.8 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,241 (2021)
Projected traffic3,565 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0320 over Tete Bayou built?

It was built in 1972, making it 53 years old in 2025.

What condition is LA0320 over Tete 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 LA0320 over Tete Bayou carry?

About 3,241 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is LA0320 over Tete Bayou?

The structure is 57 ft (17.4 m) long with a longest span of 19 ft (5.8 m) and a deck 35 ft wide.

Who owns LA0320 over Tete Bayou?

It is owned by the State Highway Agency.