US Bridges

Cuz RD over Isle Marrone Canal

Good

Vermilion Parish, Louisiana · 0.92 MI W of LA 35 · Structure no. 035700000200290

Built
2010
15 years old
Condition
Good
inspected September 2023
Type
Slab
Concrete
Length
80 ft
4 main spans
Daily traffic
350
2021 count
Owner
County
County Highway Agency

About this bridge

Cuz RD over Isle Marrone Canal is a concrete slab carrying Cuz RD over Isle Marrone Canal in Vermilion Parish, Louisiana. It was built in 2010, so it is 15 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 350 vehicles a day, projected to reach 385 by 2041. The structure is 80 ft (24.4 m) long and 27 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesCuz RD
CrossesIsle Marrone Canal
Location0.92 MI W of LA 35
RouteCounty Highway 0
Coordinates29.85284, -92.30744
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.
Substructure8 Very GoodNo problems noted.
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 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 spans4
Design loadHS 20
Structure length80 ft (24.4 m)
Longest span20 ft (6.1 m)
Deck width27 ft (8.2 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2021)
Projected traffic385 by 2041
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Cuz RD over Isle Marrone Canal built?

It was built in 2010, making it 15 years old in 2025.

What condition is Cuz RD over Isle Marrone 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 Cuz RD over Isle Marrone Canal carry?

About 350 vehicles per day (2021 count).

How long is Cuz RD over Isle Marrone Canal?

The structure is 80 ft (24.4 m) long with a longest span of 20 ft (6.1 m) and a deck 27 ft wide.

Who owns Cuz RD over Isle Marrone Canal?

It is owned by the County Highway Agency.