US Bridges

Little Teche Rd. over Drainage Canal

Fair

St. Landry Parish, Louisiana · 2.54 MI S of LA 742 · Structure no. 034930307915971

Built
1979
46 years old
Condition
Fair
inspected April 2023
Type
Slab
Concrete
Length
57 ft
3 main spans
Daily traffic
240
2020 count
Owner
County
County Highway Agency

About this bridge

Little Teche Rd. over Drainage Canal is a concrete slab carrying Little Teche Rd. over Drainage Canal in St. Landry Parish, Louisiana. It was built in 1979, so it is 46 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 240 vehicles a day, projected to reach 264 by 2040. The structure is 57 ft (17.4 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLittle Teche Rd.
CrossesDrainage Canal
Location2.54 MI S of LA 742
RouteCounty Highway 0
Coordinates30.51112, -91.99449
Functional classRural Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating28.9 US tons
Inventory rating22.2 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 width27 ft (8.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic240 (2020)
Projected traffic264 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Little Teche Rd. over Drainage Canal built?

It was built in 1979, making it 46 years old in 2025.

What condition is Little Teche Rd. over Drainage Canal 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 April 2023.

How much traffic does Little Teche Rd. over Drainage Canal carry?

About 240 vehicles per day (2020 count).

How long is Little Teche Rd. over Drainage Canal?

The structure is 57 ft (17.4 m) long with a longest span of 19 ft (5.8 m) and a deck 27 ft wide.

Who owns Little Teche Rd. over Drainage Canal?

It is owned by the County Highway Agency.