US Bridges

LA0010 over Bayou Carron

Fair

St. Landry Parish, Louisiana · 1.6 MI North of LA 10 · Structure no. 034900320305681

Built
1936
89 years old
Condition
Fair
inspected August 2023
Type
Tee Beam
Concrete
Length
182 ft
6 main spans
Daily traffic
2,508
2021 count
Owner
State
State Highway Agency

About this bridge

LA0010 over Bayou Carron is a concrete tee beam carrying LA0010 over Bayou Carron 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.

It carries about 2,508 vehicles a day, roughly 9% of them trucks, projected to reach 2,758 by 2041. The structure is 182 ft (55.5 m) long and 35 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesLA0010
CrossesBayou Carron
Location1.6 MI North of LA 10
RouteState Highway 10
CountySt. Landry Parish
StateLouisiana
Coordinates30.61016, -92.0641
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.8 US tons
Inventory rating32.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadH 15
Structure length182 ft (55.5 m)
Longest span30 ft (9.1 m)
Deck width35 ft (10.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,508 (2021)
Projected traffic2,758 by 2041
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 LA0010 over Bayou Carron built?

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

What condition is LA0010 over Bayou Carron 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 2023.

How much traffic does LA0010 over Bayou Carron carry?

About 2,508 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is LA0010 over Bayou Carron?

The structure is 182 ft (55.5 m) long with a longest span of 30 ft (9.1 m) and a deck 35 ft wide.

Who owns LA0010 over Bayou Carron?

It is owned by the State Highway Agency.