US Bridges

I0049 Frontage RD over Bayou Bourbeau

Fair

St. Landry Parish, Louisiana · 2.05 MI S of LA 3233 · Structure no. 034904550205204

Built
1980
45 years old
Condition
Fair
inspected June 2024
Type
Slab
Concrete
Length
160 ft
8 main spans
Daily traffic
1,165
2021 count
Owner
State
State Highway Agency

About this bridge

I0049 Frontage RD over Bayou Bourbeau is a concrete slab carrying I0049 Frontage RD over Bayou Bourbeau in St. Landry Parish, Louisiana. It was built in 1980, so it is 45 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 1,165 vehicles a day, roughly 13% of them trucks, projected to reach 1,281 by 2041. The structure is 160 ft (48.8 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI0049 Frontage RD
CrossesBayou Bourbeau
Location2.05 MI S of LA 3233
RouteInterstate 49
Coordinates30.44893, -92.0729
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74 US tons
Inventory rating44 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 width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,165 (2021)
Projected traffic1,281 by 2041
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 Frontage RD over Bayou Bourbeau built?

It was built in 1980, making it 45 years old in 2025.

What condition is I0049 Frontage RD 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 June 2024.

How much traffic does I0049 Frontage RD over Bayou Bourbeau carry?

About 1,165 vehicles per day (2021 count), of which roughly 13% are trucks.

How long is I0049 Frontage RD 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 35 ft wide.

Who owns I0049 Frontage RD over Bayou Bourbeau?

It is owned by the State Highway Agency.