US Bridges

I0049 over Bayou Bourbeau

Fair

St. Landry Parish, Louisiana · 3.2 MI S of LA 3233 · Structure no. 034904550205202

Built
1962
63 years old
Condition
Fair
inspected December 2024
Type
Slab
Concrete
Length
160 ft
8 main spans
Daily traffic
13,540
2021 count
Owner
State
State Highway Agency

About this bridge

I0049 over Bayou Bourbeau is a concrete slab carrying I0049 over Bayou Bourbeau 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 13,540 vehicles a day, roughly 22% of them trucks, projected to reach 14,894 by 2041. The structure is 160 ft (48.8 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI0049
CrossesBayou Bourbeau
Location3.2 MI S of LA 3233
RouteInterstate 49
CountySt. Landry Parish
StateLouisiana
Coordinates30.44894, -92.0727
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating59 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length160 ft (48.8 m)
Longest span20 ft (6.1 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,540 (2021)
Projected traffic14,894 by 2041
Trucks22%
Lanes on structure2
Traffic directionOne-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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was I0049 over Bayou Bourbeau built?

It was built in 1962, making it 63 years old in 2025.

What condition is I0049 over Bayou Bourbeau 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 December 2024.

How much traffic does I0049 over Bayou Bourbeau carry?

About 13,540 vehicles per day (2021 count), of which roughly 22% are trucks.

How long is I0049 over Bayou Bourbeau?

The structure is 160 ft (48.8 m) long with a longest span of 20 ft (6.1 m) and a deck 43 ft wide.

Who owns I0049 over Bayou Bourbeau?

It is owned by the State Highway Agency.