US Bridges

LA0124 over Castor Creek

Fair

La Salle Parish, Louisiana · 1.7 MI North of LA 125 · Structure no. 583001250201971

Built
1964
61 years old
Condition
Fair
inspected July 2023
Type
Slab
Concrete
Length
900 ft
45 main spans
Daily traffic
1,348
2021 count
Owner
State
State Highway Agency

About this bridge

LA0124 over Castor Creek is a concrete slab carrying LA0124 over Castor Creek in La Salle Parish, Louisiana. It was built in 1964, so it is 61 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 1,348 vehicles a day, roughly 21% of them trucks, projected to reach 1,482 by 2041. The structure is 900 ft (274.3 m) long and 29 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesLA0124
CrossesCastor Creek
Location1.7 MI North of LA 125
RouteState Highway 124
CountyLa Salle Parish
StateLouisiana
Coordinates31.90665, -92.2834
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 protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating43 US tons
Inventory rating26 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans45
Design loadHS 20
Structure length900 ft (274.3 m)
Longest span20 ft (6.1 m)
Deck width29 ft (8.9 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,348 (2021)
Projected traffic1,482 by 2041
Trucks21%
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 LA0124 over Castor Creek built?

It was built in 1964, making it 61 years old in 2025.

What condition is LA0124 over Castor Creek 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 July 2023.

How much traffic does LA0124 over Castor Creek carry?

About 1,348 vehicles per day (2021 count), of which roughly 21% are trucks.

How long is LA0124 over Castor Creek?

The structure is 900 ft (274.3 m) long with a longest span of 20 ft (6.1 m) and a deck 29 ft wide.

Who owns LA0124 over Castor Creek?

It is owned by the State Highway Agency.