US Bridges

Roundabout Road over South Anna River

Fair

Louisa County, Virginia · 2.18 from 640&1.05 to 714 · Structure no. 000000000011462

Built
1966
59 years old
Condition
Fair
inspected August 2024
Type
Slab
Prestressed Concrete
Length
118 ft
3 main spans
Daily traffic
140
2019 count
Owner
State
State Highway Agency

About this bridge

Roundabout Road over South Anna River is a prestressed concrete slab carrying Roundabout Road over South Anna River in Louisa County, Virginia. It was built in 1966, so it is 59 years old, older than the Virginia average of 50.7 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 140 vehicles a day, projected to reach 176 by 2042. The structure is 118 ft (36 m) long and 29 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

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CarriesRoundabout Road
CrossesSouth Anna River
Location2.18 from 640&1.05 to 714
RouteCounty Highway 604
CountyLouisa County
StateVirginia
Coordinates37.95904, -78.02411
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38 US tons
Inventory rating29 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans3
Design loadHS 20
Structure length118 ft (36 m)
Longest span50 ft (15.2 m)
Deck width29 ft (8.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic140 (2019)
Projected traffic176 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Roundabout Road over South Anna River built?

It was built in 1966, making it 59 years old in 2025.

What condition is Roundabout Road over South Anna River 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 Roundabout Road over South Anna River carry?

About 140 vehicles per day (2019 count).

How long is Roundabout Road over South Anna River?

The structure is 118 ft (36 m) long with a longest span of 50 ft (15.2 m) and a deck 29 ft wide.

Who owns Roundabout Road over South Anna River?

It is owned by the State Highway Agency.