US Bridges

LA 413 over Discharge Bayou

Good

Pointe Coupee Parish, Louisiana · 2.15 Mi. W. of LA 414 · Structure no. 613900000613904

Built
2024
1 years old
Condition
Good
inspected November 2024
Type
Slab
Concrete
Length
180 ft
9 main spans
Daily traffic
3,400
2024 count
Owner
State
State Highway Agency

About this bridge

LA 413 over Discharge Bayou is a concrete slab carrying LA 413 over Discharge Bayou in Pointe Coupee Parish, Louisiana. It was built in 2024, so it is 1 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,400 vehicles a day, roughly 15% of them trucks, projected to reach 3,740 by 2044. The structure is 180 ft (54.9 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLA 413
CrossesDischarge Bayou
Location2.15 Mi. W. of LA 414
RouteState Highway 413
Coordinates30.61707, -91.43155
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 rating66.5 US tons
Inventory rating51.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans9
Design loadGreater than HL 93
Structure length180 ft (54.9 m)
Longest span20 ft (6.1 m)
Deck width32 ft (9.9 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,400 (2024)
Projected traffic3,740 by 2044
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Discharge Bayou built?

It was built in 2024, making it 1 years old in 2025.

What condition is LA 413 over Discharge 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 November 2024.

How much traffic does LA 413 over Discharge Bayou carry?

About 3,400 vehicles per day (2024 count), of which roughly 15% are trucks.

How long is LA 413 over Discharge Bayou?

The structure is 180 ft (54.9 m) long with a longest span of 20 ft (6.1 m) and a deck 32 ft wide.

Who owns LA 413 over Discharge Bayou?

It is owned by the State Highway Agency.