US Bridges

North RD over Drainage Canal

Good

Vermilion Parish, Louisiana · 1.7 MI N of LA 14 · Structure no. 035729593920291

Built
1966
59 years old
Condition
Good
inspected September 2023
Type
Slab
Concrete
Length
80 ft
4 main spans
Daily traffic
2,043
2022 count
Owner
County
County Highway Agency

About this bridge

North RD over Drainage Canal is a concrete slab carrying North RD over Drainage Canal in Vermilion Parish, Louisiana. It was built in 1966, so it is 59 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 2,043 vehicles a day, roughly 10% of them trucks, projected to reach 2,247 by 2042. The structure is 80 ft (24.4 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesNorth RD
CrossesDrainage Canal
Location1.7 MI N of LA 14
RouteCounty Highway 0
Coordinates29.98908, -92.04833
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.3 US tons
Inventory rating54.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length80 ft (24.4 m)
Longest span20 ft (6.1 m)
Deck width30 ft (9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,043 (2022)
Projected traffic2,247 by 2042
Trucks10%
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

OwnerCounty Highway Agency
Maintained byCounty 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 North RD over Drainage Canal built?

It was built in 1966, making it 59 years old in 2025.

What condition is North RD over Drainage 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 September 2023.

How much traffic does North RD over Drainage Canal carry?

About 2,043 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is North RD over Drainage Canal?

The structure is 80 ft (24.4 m) long with a longest span of 20 ft (6.1 m) and a deck 30 ft wide.

Who owns North RD over Drainage Canal?

It is owned by the County Highway Agency.