US Bridges

Riverton Drive over Bayou Zourie Trib

Fair

Vernon Parish, Louisiana · Ve 814 412 · Structure no. DAPFORPOK000H55

Built
1990
35 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete
Length
27 ft
3 main spans
Daily traffic
300
2016 count
Owner
Federal
Army

About this bridge

Riverton Drive over Bayou Zourie Trib is a concrete culvert carrying Riverton Drive over Bayou Zourie Trib in Vernon Parish, Louisiana. It was built in 1990, so it is 35 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 5 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 300 vehicles a day, roughly 40% of them trucks, projected to reach 350 by 2046. The structure is 27 ft (8.1 m) long and 84 ft wide.

CarriesRiverton Drive
CrossesBayou Zourie Trib
LocationVe 814 412
Coordinates31.10394, -93.19555
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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating60.1 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length27 ft (8.1 m)
Longest span7 ft (2 m)
Deck width84 ft (25.7 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2016)
Projected traffic350 by 2046
Trucks40%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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$37,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Riverton Drive over Bayou Zourie Trib built?

It was built in 1990, making it 35 years old in 2025.

What condition is Riverton Drive over Bayou Zourie Trib 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 Riverton Drive over Bayou Zourie Trib carry?

About 300 vehicles per day (2016 count), of which roughly 40% are trucks.

How long is Riverton Drive over Bayou Zourie Trib?

The structure is 27 ft (8.1 m) long with a longest span of 7 ft (2 m) and a deck 84 ft wide.

Who owns Riverton Drive over Bayou Zourie Trib?

It is owned by the Army.