US Bridges

I0049 over Kennison Bayou

Fair

St. Landry Parish, Louisiana · 0.27 MI N of US 167 · Structure no. 034904550215141

Built
1983
42 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete
Length
28 ft
2 main spans
Daily traffic
23,498
2021 count
Owner
State
State Highway Agency

About this bridge

I0049 over Kennison Bayou is a concrete culvert carrying I0049 over Kennison Bayou in St. Landry Parish, Louisiana. It was built in 1983, so it is 42 years old, younger 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 23,498 vehicles a day, roughly 22% of them trucks, projected to reach 25,847 by 2041. The structure is 28 ft (8.5 m) long and 406 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesI0049
CrossesKennison Bayou
Location0.27 MI N of US 167
RouteInterstate 49
Coordinates30.58827, -92.0484
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to 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 spans2
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span9 ft (2.7 m)
Deck width406 ft (123.7 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,498 (2021)
Projected traffic25,847 by 2041
Trucks22%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was I0049 over Kennison Bayou built?

It was built in 1983, making it 42 years old in 2025.

What condition is I0049 over Kennison Bayou 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 August 2024.

How much traffic does I0049 over Kennison Bayou carry?

About 23,498 vehicles per day (2021 count), of which roughly 22% are trucks.

How long is I0049 over Kennison Bayou?

The structure is 28 ft (8.5 m) long with a longest span of 9 ft (2.7 m) and a deck 406 ft wide.

Who owns I0049 over Kennison Bayou?

It is owned by the State Highway Agency.