US Bridges

LA0488 over Lost Bayou

Good

Rapides Parish, Louisiana · 4.74 M West of LA 1208-3 · Structure no. 084003680303161

Built
2006
19 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete
Length
24 ft
4 main spans
Daily traffic
2,343
2021 count
Owner
State
State Highway Agency

About this bridge

LA0488 over Lost Bayou is a concrete culvert carrying LA0488 over Lost Bayou in Rapides 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 2,343 vehicles a day, roughly 14% of them trucks, projected to reach 2,577 by 2041. The structure is 24 ft (7.3 m) long and 86 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesLA0488
CrossesLost Bayou
Location4.74 M West of LA 1208-3
RouteState Highway 488
Coordinates31.24202, -92.5579
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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span5 ft (1.5 m)
Deck width86 ft (26.2 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,343 (2021)
Projected traffic2,577 by 2041
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 LA0488 over Lost Bayou built?

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

What condition is LA0488 over Lost Bayou 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 September 2024.

How much traffic does LA0488 over Lost Bayou carry?

About 2,343 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is LA0488 over Lost Bayou?

The structure is 24 ft (7.3 m) long with a longest span of 5 ft (1.5 m) and a deck 86 ft wide.

Who owns LA0488 over Lost Bayou?

It is owned by the State Highway Agency.