US Bridges

LA0010 over Bayou Courtableau

FairPosted for load

St. Landry Parish, Louisiana · 0.02 MI East of LA 103 · Structure no. 034900320400001

Built
1936
89 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
295 ft
1 main span
Daily traffic
1,533
2021 count
Owner
State
State Highway Agency

About this bridge

LA0010 over Bayou Courtableau is a steel stringer/multi-beam or girder carrying LA0010 over Bayou Courtableau in St. Landry Parish, Louisiana. It was built in 1936, so it is 89 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 1,533 vehicles a day, roughly 13% of them trucks, projected to reach 1,686 by 2041. The structure is 295 ft (89.9 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesLA0010
CrossesBayou Courtableau
Location0.02 MI East of LA 103
RouteState Highway 10
CountySt. Landry Parish
StateLouisiana
Coordinates30.61733, -92.05585
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating22.5 US tons
Inventory rating17.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+6 approach)
Design loadH 15
Structure length295 ft (89.9 m)
Longest span45 ft (13.7 m)
Deck width33 ft (10 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,533 (2021)
Projected traffic1,686 by 2041
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.3 million
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0010 over Bayou Courtableau built?

It was built in 1936, making it 89 years old in 2025.

What condition is LA0010 over Bayou Courtableau 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 March 2023.

How much traffic does LA0010 over Bayou Courtableau carry?

About 1,533 vehicles per day (2021 count), of which roughly 13% are trucks.

How long is LA0010 over Bayou Courtableau?

The structure is 295 ft (89.9 m) long with a longest span of 45 ft (13.7 m) and a deck 33 ft wide.

Who owns LA0010 over Bayou Courtableau?

It is owned by the State Highway Agency.