US Bridges

LA0500 over Funny Louis Bayou

Good

La Salle Parish, Louisiana · 1.45 MI West of US 84 · Structure no. 583001280507931

Built
1977
48 years old
Condition
Good
inspected January 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
225 ft
5 main spans
Daily traffic
1,008
2022 count
Owner
State
State Highway Agency

About this bridge

LA0500 over Funny Louis Bayou is a prestressed concrete stringer/multi-beam or girder carrying LA0500 over Funny Louis Bayou in La Salle Parish, Louisiana. It was built in 1977, so it is 48 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 1,008 vehicles a day, roughly 21% of them trucks, projected to reach 1,108 by 2042. The structure is 225 ft (68.6 m) long and 39 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesLA0500
CrossesFunny Louis Bayou
Location1.45 MI West of US 84
RouteState Highway 500
Coordinates31.70582, -92.2351
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84 US tons
Inventory rating50 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length225 ft (68.6 m)
Longest span45 ft (13.7 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,008 (2022)
Projected traffic1,108 by 2042
Trucks21%
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 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 LA0500 over Funny Louis Bayou built?

It was built in 1977, making it 48 years old in 2025.

What condition is LA0500 over Funny Louis 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 January 2023.

How much traffic does LA0500 over Funny Louis Bayou carry?

About 1,008 vehicles per day (2022 count), of which roughly 21% are trucks.

How long is LA0500 over Funny Louis Bayou?

The structure is 225 ft (68.6 m) long with a longest span of 45 ft (13.7 m) and a deck 39 ft wide.

Who owns LA0500 over Funny Louis Bayou?

It is owned by the State Highway Agency.