US Bridges

I0049 over Drainage Canal

Good

St. Landry Parish, Louisiana · 1.3 MI North of LA 3233 · Structure no. 034904550208951

Built
1962
63 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete
Length
44 ft
4 main spans
Daily traffic
4,451
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 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,451 vehicles a day, roughly 28% of them trucks, projected to reach 4,896 by 2041. The structure is 44 ft (13.4 m) long and 433 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI0049
CrossesDrainage Canal
Location1.3 MI North of LA 3233
RouteInterstate 49
CountySt. Landry Parish
StateLouisiana
Coordinates30.50196, -92.0718
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length44 ft (13.4 m)
Longest span7 ft (2.1 m)
Deck width433 ft (132 m)
Roadway width76 ft (23.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,451 (2021)
Projected traffic4,896 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$489,000
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 good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2024.

How much traffic does I0049 over Drainage Canal carry?

About 4,451 vehicles per day (2021 count), of which roughly 28% are trucks.

How long is I0049 over Drainage Canal?

The structure is 44 ft (13.4 m) long with a longest span of 7 ft (2.1 m) and a deck 433 ft wide.

Who owns I0049 over Drainage Canal?

It is owned by the State Highway Agency.