US Bridges

LA0013 over Drainage Canal

Fair

St. Landry Parish, Louisiana · 0.34 MI North of US 190 · Structure no. 034900570400341

Built
1966
59 years old
Condition
Fair
inspected September 2024
Type
Culvert
Concrete
Length
31 ft
4 main spans
Daily traffic
8,906
2021 count
Owner
State
State Highway Agency

About this bridge

LA0013 over Drainage Canal is a concrete culvert carrying LA0013 over Drainage Canal in St. Landry Parish, Louisiana. It was built in 1966, so it is 59 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 8,906 vehicles a day, roughly 9% of them trucks, projected to reach 9,796 by 2041. The structure is 31 ft (9.4 m) long and 69 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLA0013
CrossesDrainage Canal
Location0.34 MI North of US 190
RouteState Highway 13
Coordinates30.48496, -92.4129
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating27.4 US tons
Inventory rating21.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span7 ft (2.1 m)
Deck width69 ft (21.1 m)
Roadway width57 ft (17.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,906 (2021)
Projected traffic9,796 by 2041
Trucks9%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 LA0013 over Drainage Canal built?

It was built in 1966, making it 59 years old in 2025.

What condition is LA0013 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 September 2024.

How much traffic does LA0013 over Drainage Canal carry?

About 8,906 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is LA0013 over Drainage Canal?

The structure is 31 ft (9.4 m) long with a longest span of 7 ft (2.1 m) and a deck 69 ft wide.

Who owns LA0013 over Drainage Canal?

It is owned by the State Highway Agency.