US Bridges

I0049 over Drainage Ditch

Good

St. Landry Parish, Louisiana · 0.6 MI North of LA 3233 · Structure no. 034904550207881

Built
1960
65 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete
Length
21 ft
1 main span
Daily traffic
4,002
2021 count
Owner
State
State Highway Agency

About this bridge

I0049 over Drainage Ditch is a concrete culvert carrying I0049 over Drainage Ditch in St. Landry Parish, Louisiana. It was built in 1960, so it is 65 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 4,002 vehicles a day, roughly 28% of them trucks, projected to reach 4,402 by 2041. The structure is 21 ft (6.4 m) long and 285 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesI0049
CrossesDrainage Ditch
Location0.6 MI North of LA 3233
RouteInterstate 49
Coordinates30.48732, -92.0742
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 spans1
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span19 ft (5.8 m)
Deck width285 ft (86.9 m)
Roadway width76 ft (23.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,002 (2021)
Projected traffic4,402 by 2041
Trucks28%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$303,000
NavigationNo navigation control on waterway

Frequently asked questions

When was I0049 over Drainage Ditch built?

It was built in 1960, making it 65 years old in 2025.

What condition is I0049 over Drainage Ditch 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 Ditch carry?

About 4,002 vehicles per day (2021 count), of which roughly 28% are trucks.

How long is I0049 over Drainage Ditch?

The structure is 21 ft (6.4 m) long with a longest span of 19 ft (5.8 m) and a deck 285 ft wide.

Who owns I0049 over Drainage Ditch?

It is owned by the State Highway Agency.