US Bridges

Prairie RD over Seventh Ward Canal

FairPosted for load

Vermilion Parish, Louisiana · 2.3 MI N of Community RD · Structure no. 035700000200241

Built
2010
15 years old
Condition
Fair
inspected September 2023
Type
Slab
Prestressed Concrete
Length
80 ft
4 main spans
Daily traffic
241
2021 count
Owner
County
County Highway Agency

About this bridge

Prairie RD over Seventh Ward Canal is a prestressed concrete slab carrying Prairie RD over Seventh Ward 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 241 vehicles a day, projected to reach 265 by 2041. The structure is 80 ft (24.4 m) long and 27 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesPrairie RD
CrossesSeventh Ward Canal
Location2.3 MI N of Community RD
RouteCounty Highway 0
CountyVermilion Parish
StateLouisiana
Coordinates29.90539, -92.18673
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating56.8 US tons
Inventory rating44 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
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 traffic241 (2021)
Projected traffic265 by 2041
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Prairie RD over Seventh Ward Canal built?

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

What condition is Prairie RD over Seventh Ward Canal in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2023.

How much traffic does Prairie RD over Seventh Ward Canal carry?

About 241 vehicles per day (2021 count).

How long is Prairie RD over Seventh Ward 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 Prairie RD over Seventh Ward Canal?

It is owned by the County Highway Agency.