US Bridges

Holly Grove RD over Bayou Bonna Vista

Fair

Sabine Parish, Louisiana · Holly Grove Road · Structure no. 084331400932181

Built
1992
33 years old
Condition
Fair
inspected February 2023
Type
Culvert
Steel
Length
30 ft
4 main spans
Daily traffic
270
2022 count
Owner
County
County Highway Agency

About this bridge

Holly Grove RD over Bayou Bonna Vista is a steel culvert carrying Holly Grove RD over Bayou Bonna Vista in Sabine Parish, Louisiana. It was built in 1992, so it is 33 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 270 vehicles a day, projected to reach 297 by 2042. The structure is 30 ft (9.1 m) long and 50 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesHolly Grove RD
CrossesBayou Bonna Vista
LocationHolly Grove Road
RouteCounty Highway 0
CountySabine Parish
StateLouisiana
Coordinates31.66713, -93.3641
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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans4
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span6 ft (1.8 m)
Deck width50 ft (15.2 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic270 (2022)
Projected traffic297 by 2042
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 Holly Grove RD over Bayou Bonna Vista built?

It was built in 1992, making it 33 years old in 2025.

What condition is Holly Grove RD over Bayou Bonna Vista 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 February 2023.

How much traffic does Holly Grove RD over Bayou Bonna Vista carry?

About 270 vehicles per day (2022 count).

How long is Holly Grove RD over Bayou Bonna Vista?

The structure is 30 ft (9.1 m) long with a longest span of 6 ft (1.8 m) and a deck 50 ft wide.

Who owns Holly Grove RD over Bayou Bonna Vista?

It is owned by the County Highway Agency.