US Bridges

Potato Shed RD over Bayou Berard Drain Canal

FairPosted for load

St. Martin Parish, Louisiana · 0.8 Mi. E. of HWY LA 678 · Structure no. 035030206914731

Built
1985
40 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete
Length
285 ft
15 main spans
Daily traffic
186
2020 count
Owner
County
County Highway Agency

About this bridge

Potato Shed RD over Bayou Berard Drain Canal is a concrete slab carrying Potato Shed RD over Bayou Berard Drain Canal in St. Martin Parish, Louisiana. It was built in 1985, so it is 40 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 186 vehicles a day, projected to reach 204 by 2040. The structure is 285 ft (86.9 m) long and 27 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesPotato Shed RD
CrossesBayou Berard Drain Canal
Location0.8 Mi. E. of HWY LA 678
RouteCounty Highway 0
CountySt. Martin Parish
StateLouisiana
Coordinates30.3431, -91.78808
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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating45.7 US tons
Inventory rating35.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans15
Design loadHS 20
Structure length285 ft (86.9 m)
Longest span19 ft (5.8 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic186 (2020)
Projected traffic204 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Potato Shed RD over Bayou Berard Drain Canal built?

It was built in 1985, making it 40 years old in 2025.

What condition is Potato Shed RD over Bayou Berard Drain 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 October 2024.

How much traffic does Potato Shed RD over Bayou Berard Drain Canal carry?

About 186 vehicles per day (2020 count).

How long is Potato Shed RD over Bayou Berard Drain Canal?

The structure is 285 ft (86.9 m) long with a longest span of 19 ft (5.8 m) and a deck 27 ft wide.

Who owns Potato Shed RD over Bayou Berard Drain Canal?

It is owned by the County Highway Agency.