US Bridges

LA0124 over Castor Relief

Good

La Salle Parish, Louisiana · 1.3 MI North of LA 125 · Structure no. 583001250202351

Built
1959
66 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
44 ft
3 main spans
Daily traffic
1,348
2021 count
Owner
State
State Highway Agency

About this bridge

LA0124 over Castor Relief is a concrete culvert carrying LA0124 over Castor Relief in La Salle Parish, Louisiana. It was built in 1959, so it is 66 years old, older 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 1,348 vehicles a day, roughly 21% of them trucks, projected to reach 1,482 by 2041. The structure is 44 ft (13.4 m) long and 30 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesLA0124
CrossesCastor Relief
Location1.3 MI North of LA 125
RouteState Highway 124
Coordinates31.90424, -92.2777
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length44 ft (13.4 m)
Longest span13 ft (4 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.2 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 Relief built?

It was built in 1959, making it 66 years old in 2025.

What condition is LA0124 over Castor Relief 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 October 2024.

How much traffic does LA0124 over Castor Relief carry?

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

How long is LA0124 over Castor Relief?

The structure is 44 ft (13.4 m) long with a longest span of 13 ft (4 m) and a deck 30 ft wide.

Who owns LA0124 over Castor Relief?

It is owned by the State Highway Agency.