US Bridges

LA0008 over Bayou Castor

Good

Vernon Parish, Louisiana · 2.4 Miles East of US 171 · Structure no. 085803730105451

Built
2006
19 years old
Condition
Good
inspected April 2024
Type
Slab
Concrete
Length
220 ft
11 main spans
Daily traffic
7,277
2021 count
Owner
State
State Highway Agency

About this bridge

LA0008 over Bayou Castor is a concrete slab carrying LA0008 over Bayou Castor in Vernon Parish, Louisiana. It was built in 2006, so it is 19 years old, younger 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 7,277 vehicles a day, roughly 15% of them trucks, projected to reach 8,004 by 2041. The structure is 220 ft (67.1 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLA0008
CrossesBayou Castor
Location2.4 Miles East of US 171
RouteState Highway 8
Coordinates31.15999, -93.22874
Functional classRural Principal Arterial - Other

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.1 US tons
Inventory rating40 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans11
Design loadHS 20
Structure length220 ft (67.1 m)
Longest span20 ft (6.1 m)
Deck width43 ft (13 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,277 (2021)
Projected traffic8,004 by 2041
Trucks15%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

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 LA0008 over Bayou Castor built?

It was built in 2006, making it 19 years old in 2025.

What condition is LA0008 over Bayou Castor 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 April 2024.

How much traffic does LA0008 over Bayou Castor carry?

About 7,277 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is LA0008 over Bayou Castor?

The structure is 220 ft (67.1 m) long with a longest span of 20 ft (6.1 m) and a deck 43 ft wide.

Who owns LA0008 over Bayou Castor?

It is owned by the State Highway Agency.