US Bridges

I0049 over Drainage Canal

Fair

St. Landry Parish, Louisiana · 1.6 MI North of LA 93 · Structure no. 034904550204151

Built
1962
63 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete
Length
22 ft
3 main spans
Daily traffic
38,400
2022 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 1962, so it is 63 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 38,400 vehicles a day, roughly 22% of them trucks, projected to reach 42,240 by 2042. The structure is 22 ft (6.7 m) long and 320 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesI0049
CrossesDrainage Canal
Location1.6 MI North of LA 93
RouteInterstate 49
CountySt. Landry Parish
StateLouisiana
Coordinates30.43382, -92.06702
Functional classRural 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span7 ft (2.1 m)
Deck width320 ft (97.5 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic38,400 (2022)
Projected traffic42,240 by 2042
Trucks22%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$318,000
NavigationNo navigation control on waterway

Frequently asked questions

When was I0049 over Drainage Canal built?

It was built in 1962, making it 63 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 38,400 vehicles per day (2022 count), of which roughly 22% are trucks.

How long is I0049 over Drainage Canal?

The structure is 22 ft (6.7 m) long with a longest span of 7 ft (2.1 m) and a deck 320 ft wide.

Who owns I0049 over Drainage Canal?

It is owned by the State Highway Agency.