US Bridges

I0049 over LA0031

Good

St. Landry Parish, Louisiana · 2.8 MI N of LA 3233 · Structure no. 034904550210041

Built
1981
44 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
205 ft
2 main spans
Daily traffic
21,593
2022 count
Owner
State
State Highway Agency

About this bridge

I0049 over LA0031 is a prestressed concrete stringer/multi-beam or girder carrying I0049 over LA0031 in St. Landry Parish, Louisiana. It was built in 1981, so it is 44 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 21,593 vehicles a day, roughly 28% of them trucks, projected to reach 23,752 by 2042. The structure is 205 ft (62.5 m) long and 43 ft wide.

CarriesI0049
CrossesLA0031
Location2.8 MI N of LA 3233
RouteInterstate 49
Coordinates30.51831, -92.0684
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length205 ft (62.5 m)
Longest span103 ft (31.4 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,593 (2022)
Projected traffic23,752 by 2042
Trucks28%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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 LA0031 built?

It was built in 1981, making it 44 years old in 2025.

What condition is I0049 over LA0031 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 May 2023.

How much traffic does I0049 over LA0031 carry?

About 21,593 vehicles per day (2022 count), of which roughly 28% are trucks.

How long is I0049 over LA0031?

The structure is 205 ft (62.5 m) long with a longest span of 103 ft (31.4 m) and a deck 43 ft wide.

Who owns I0049 over LA0031?

It is owned by the State Highway Agency.