US Bridges

I0049 over Drainage Canal

Fair

St. Landry Parish, Louisiana · 2.30 MI North of LA 182 · Structure no. 034904550201301

Built
1963
62 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete
Length
28 ft
3 main spans
Daily traffic
2,777
2021 count
Owner
State
State Highway Agency

About this bridge

I0049 over Drainage Canal is a concrete culvert carrying I0049 over Drainage Canal in St. Landry Parish, Louisiana. It was built in 1963, so it is 62 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 2,777 vehicles a day, roughly 28% of them trucks, projected to reach 3,054 by 2041. The structure is 28 ft (8.5 m) long and 328 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI0049
CrossesDrainage Canal
Location2.30 MI North of LA 182
RouteInterstate 49
Coordinates30.39736, -92.05819
Functional classUrban Principal Arterial - Interstate

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.8 US tons
Inventory rating55.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span8 ft (2.4 m)
Deck width328 ft (100.1 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,777 (2021)
Projected traffic3,054 by 2041
Trucks28%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$355,000
NavigationNo navigation control on waterway

Frequently asked questions

When was I0049 over Drainage Canal built?

It was built in 1963, making it 62 years old in 2025.

What condition is I0049 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 May 2023.

How much traffic does I0049 over Drainage Canal carry?

About 2,777 vehicles per day (2021 count), of which roughly 28% are trucks.

How long is I0049 over Drainage Canal?

The structure is 28 ft (8.5 m) long with a longest span of 8 ft (2.4 m) and a deck 328 ft wide.

Who owns I0049 over Drainage Canal?

It is owned by the State Highway Agency.