US Bridges

LA0103 over Bayou Carron

Fair

St. Landry Parish, Louisiana · 1.4 MI North of US 167 · Structure no. 034908490101401

Built
1962
63 years old
Condition
Fair
inspected February 2023
Type
Slab
Concrete
Length
200 ft
10 main spans
Daily traffic
2,097
2021 count
Owner
State
State Highway Agency

About this bridge

LA0103 over Bayou Carron is a concrete slab carrying LA0103 over Bayou Carron in St. Landry Parish, Louisiana. It was built in 1962, so it is 63 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 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 2,097 vehicles a day, roughly 12% of them trucks, projected to reach 2,306 by 2041. The structure is 200 ft (61 m) long and 30 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesLA0103
CrossesBayou Carron
Location1.4 MI North of US 167
RouteState Highway 103
CountySt. Landry Parish
StateLouisiana
Coordinates30.65855, -92.1633
Functional classRural Minor 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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating50 US tons
Inventory rating30 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans10
Design loadHS 20
Structure length200 ft (61 m)
Longest span20 ft (6.1 m)
Deck width30 ft (9.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,097 (2021)
Projected traffic2,306 by 2041
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 LA0103 over Bayou Carron built?

It was built in 1962, making it 63 years old in 2025.

What condition is LA0103 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 February 2023.

How much traffic does LA0103 over Bayou Carron carry?

About 2,097 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is LA0103 over Bayou Carron?

The structure is 200 ft (61 m) long with a longest span of 20 ft (6.1 m) and a deck 30 ft wide.

Who owns LA0103 over Bayou Carron?

It is owned by the State Highway Agency.