US Bridges

LA 413 over Chenal Bayou

Good

Pointe Coupee Parish, Louisiana · 0.4 Mi. N of LA 416 · Structure no. 613900000613903

Built
2023
2 years old
Condition
Good
inspected February 2024
Type
Slab
Concrete
Length
222 ft
11 main spans
Daily traffic
3,277
2022 count
Owner
State
State Highway Agency

About this bridge

LA 413 over Chenal Bayou is a concrete slab carrying LA 413 over Chenal Bayou in Pointe Coupee Parish, Louisiana. It was built in 2023, so it is 2 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 3,277 vehicles a day, projected to reach 3,604 by 2042. The structure is 222 ft (67.7 m) long and 35 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesLA 413
CrossesChenal Bayou
Location0.4 Mi. N of LA 416
RouteState Highway 413
Coordinates30.60571, -91.39724
Functional classUrban Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.6 US tons
Inventory rating64.6 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans11
Design loadGreater than HL 93
Structure length222 ft (67.7 m)
Longest span20 ft (6.1 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,277 (2022)
Projected traffic3,604 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 LA 413 over Chenal Bayou built?

It was built in 2023, making it 2 years old in 2025.

What condition is LA 413 over Chenal 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 February 2024.

How much traffic does LA 413 over Chenal Bayou carry?

About 3,277 vehicles per day (2022 count).

How long is LA 413 over Chenal Bayou?

The structure is 222 ft (67.7 m) long with a longest span of 20 ft (6.1 m) and a deck 35 ft wide.

Who owns LA 413 over Chenal Bayou?

It is owned by the State Highway Agency.