US Bridges

Ben West RD over Unknown Creek

Fair

Vernon Parish, Louisiana · Fort Johnson · Structure no. DAPFORPOK0BRH71

Built
2018
7 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete
Length
79 ft
6 main spans
Daily traffic
40
2020 count
Owner
Federal
Army

About this bridge

Ben West RD over Unknown Creek is a concrete culvert carrying Ben West RD over Unknown Creek in Vernon Parish, Louisiana. It was built in 2018, so it is 7 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.

It carries about 40 vehicles a day, roughly 10% of them trucks, projected to reach 40 by 2046. The structure is 79 ft (24.2 m) long. If it were closed, the detour would be 6.2 mi (10 km).

CarriesBen West RD
CrossesUnknown Creek
LocationFort Johnson
Coordinates31.2746, -93.22459
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.7 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans6
Design loadUnknown
Structure length79 ft (24.2 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2020)
Projected traffic40 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerArmy
Maintained byArmy
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$17,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Ben West RD over Unknown Creek built?

It was built in 2018, making it 7 years old in 2025.

What condition is Ben West RD over Unknown Creek 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 August 2024.

How much traffic does Ben West RD over Unknown Creek carry?

About 40 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Ben West RD over Unknown Creek?

The structure is 79 ft (24.2 m) long with a longest span of 12 ft (3.7 m).

Who owns Ben West RD over Unknown Creek?

It is owned by the Army.