US Bridges

Alario Bridge RD over Drain Canal

Good

Lafourche Parish, Louisiana · 0.3 Mile SW of LA 3235 · Structure no. 022900000200888

Built
2011
14 years old
Condition
Good
inspected June 2023
Type
Slab
Concrete
Length
100 ft
5 main spans
Daily traffic
530
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Alario Bridge RD over Drain Canal is a concrete slab carrying Alario Bridge RD over Drain Canal in Lafourche Parish, Louisiana. It was built in 2011, so it is 14 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 530 vehicles a day, projected to reach 583 by 2040. The structure is 100 ft (30.5 m) long and 29 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesAlario Bridge RD
CrossesDrain Canal
Location0.3 Mile SW of LA 3235
RouteCounty Highway 0
Coordinates29.39246, -90.27504
Functional classRural Local

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 protection7 GoodSome minor problems.
Last inspectionJune 2023
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.8 US tons
Inventory rating44 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans5
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span20 ft (6.1 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic530 (2020)
Projected traffic583 by 2040
Trucks—
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

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Alario Bridge RD over Drain Canal built?

It was built in 2011, making it 14 years old in 2025.

What condition is Alario Bridge RD over Drain Canal 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 June 2023.

How much traffic does Alario Bridge RD over Drain Canal carry?

About 530 vehicles per day (2020 count).

How long is Alario Bridge RD over Drain Canal?

The structure is 100 ft (30.5 m) long with a longest span of 20 ft (6.1 m) and a deck 29 ft wide.

Who owns Alario Bridge RD over Drain Canal?

It is owned by the Town or Township Highway Agency.