US Bridges

LA0103 over Bayou Courtbleau

Good

St. Landry Parish, Louisiana · 1.0 MI E of LA 743 · Structure no. 034900000030378

Built
2009
16 years old
Condition
Good
inspected February 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
240 ft
6 main spans
Daily traffic
2,000
2021 count
Owner
State
State Highway Agency

About this bridge

LA0103 over Bayou Courtbleau is a prestressed concrete box beam or girders - multiple carrying LA0103 over Bayou Courtbleau in St. Landry Parish, Louisiana. It was built in 2009, so it is 16 years old, younger 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 2,000 vehicles a day, roughly 15% of them trucks, projected to reach 2,200 by 2041. The structure is 240 ft (73.2 m) long and 43 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

CarriesLA0103
CrossesBayou Courtbleau
Location1.0 MI E of LA 743
RouteState Highway 103
Coordinates30.62069, -92.0196
Functional classRural Local

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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.5 US tons
Inventory rating39.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length240 ft (73.2 m)
Longest span40 ft (12.2 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2021)
Projected traffic2,200 by 2041
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.3 mi (31 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0103 over Bayou Courtbleau built?

It was built in 2009, making it 16 years old in 2025.

What condition is LA0103 over Bayou Courtbleau 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 February 2024.

How much traffic does LA0103 over Bayou Courtbleau carry?

About 2,000 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is LA0103 over Bayou Courtbleau?

The structure is 240 ft (73.2 m) long with a longest span of 40 ft (12.2 m) and a deck 43 ft wide.

Who owns LA0103 over Bayou Courtbleau?

It is owned by the State Highway Agency.