US Bridges

LA0468 over Bayou Castor Relief

Fair

Vernon Parish, Louisiana · 0.62 Miles East of US 171 · Structure no. 085800000080541

Built
2009
16 years old
Condition
Fair
inspected March 2024
Type
Slab
Concrete
Length
138 ft
7 main spans
Daily traffic
2,896
2021 count
Owner
State
State Highway Agency

About this bridge

LA0468 over Bayou Castor Relief is a concrete slab carrying LA0468 over Bayou Castor Relief in Vernon Parish, Louisiana. It was built in 2009, so it is 16 years old, younger 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 2,896 vehicles a day, roughly 14% of them trucks, projected to reach 3,185 by 2041. The structure is 138 ft (42.1 m) long and 43 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLA0468
CrossesBayou Castor Relief
Location0.62 Miles East of US 171
RouteState Highway 468
Coordinates31.14217, -93.2526
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMarch 2024
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.5 US tons
Inventory rating39.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length138 ft (42.1 m)
Longest span20 ft (6.1 m)
Deck width43 ft (13 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,896 (2021)
Projected traffic3,185 by 2041
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0468 over Bayou Castor Relief built?

It was built in 2009, making it 16 years old in 2025.

What condition is LA0468 over Bayou Castor Relief 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 2024.

How much traffic does LA0468 over Bayou Castor Relief carry?

About 2,896 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is LA0468 over Bayou Castor Relief?

The structure is 138 ft (42.1 m) long with a longest span of 20 ft (6.1 m) and a deck 43 ft wide.

Who owns LA0468 over Bayou Castor Relief?

It is owned by the State Highway Agency.