US Bridges

I0049 over LA0029

Fair

St. Landry Parish, Louisiana · 6.6 MI S of LA 106 · Structure no. 034904559101122

Built
1987
38 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
312 ft
4 main spans
Daily traffic
13,540
2021 count
Owner
State
State Highway Agency

About this bridge

I0049 over LA0029 is a prestressed concrete continuous stringer/multi-beam or girder carrying I0049 over LA0029 in St. Landry Parish, Louisiana. It was built in 1987, so it is 38 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 13,540 vehicles a day, roughly 22% of them trucks, projected to reach 14,894 by 2041. The structure is 312 ft (95.1 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI0049
CrossesLA0029
Location6.6 MI S of LA 106
RouteInterstate 49
Coordinates30.78045, -92.1901
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64 US tons
Inventory rating38 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length312 ft (95.1 m)
Longest span78 ft (23.8 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.1 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
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I0049 over LA0029 built?

It was built in 1987, making it 38 years old in 2025.

What condition is I0049 over LA0029 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 LA0029 carry?

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

How long is I0049 over LA0029?

The structure is 312 ft (95.1 m) long with a longest span of 78 ft (23.8 m) and a deck 43 ft wide.

Who owns I0049 over LA0029?

It is owned by the State Highway Agency.