US Bridges

W. Liberty Farm RD over De John Coulee

FairPosted for load

Vermilion Parish, Louisiana · 1.09 MI W. of LA 35 · Structure no. 035700000200267

Built
2014
11 years old
Condition
Fair
inspected July 2023
Type
Slab
Concrete
Length
57 ft
3 main spans
Daily traffic
152
2021 count
Owner
County
County Highway Agency

About this bridge

W. Liberty Farm RD over De John Coulee is a concrete slab carrying W. Liberty Farm RD over De John Coulee in Vermilion Parish, Louisiana. It was built in 2014, so it is 11 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 152 vehicles a day, projected to reach 167 by 2041. The structure is 57 ft (17.4 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesW. Liberty Farm RD
CrossesDe John Coulee
Location1.09 MI W. of LA 35
RouteCounty Highway 0
CountyVermilion Parish
StateLouisiana
Coordinates29.93713, -92.302
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 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 rating37.5 US tons
Inventory rating28.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length57 ft (17.4 m)
Longest span19 ft (5.8 m)
Deck width24 ft (7.2 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic152 (2021)
Projected traffic167 by 2041
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 W. Liberty Farm RD over De John Coulee built?

It was built in 2014, making it 11 years old in 2025.

What condition is W. Liberty Farm RD over De John Coulee 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 July 2023.

How much traffic does W. Liberty Farm RD over De John Coulee carry?

About 152 vehicles per day (2021 count).

How long is W. Liberty Farm RD over De John Coulee?

The structure is 57 ft (17.4 m) long with a longest span of 19 ft (5.8 m) and a deck 24 ft wide.

Who owns W. Liberty Farm RD over De John Coulee?

It is owned by the County Highway Agency.