US Bridges

Louisa Road over South Anna River

Fair

Louisa County, Virginia · .54 from 636 &1.61 to 638 · Structure no. 000000000011411

Built
1924
101 years old, rebuilt 1991
Condition
Fair
inspected August 2023
Type
Slab
Prestressed Concrete
Length
129 ft
3 main spans
Daily traffic
2,135
2022 count
Owner
State
State Highway Agency

About this bridge

Louisa Road over South Anna River is a prestressed concrete slab carrying Louisa Road over South Anna River in Louisa County, Virginia. It was built in 1924 and reconstructed in 1991, so it is 101 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 2,135 vehicles a day, projected to reach 2,479 by 2045. The structure is 129 ft (39.3 m) long and 32 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

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CarriesLouisa Road
CrossesSouth Anna River
Location.54 from 636 &1.61 to 638
RouteState Highway 22
CountyLouisa County
StateVirginia
Coordinates38.05784, -78.14013
Functional classRural Major Collector

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 2023
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71 US tons
Inventory rating54 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans3
Design loadHS 20 + Mod
Structure length129 ft (39.3 m)
Longest span65 ft (19.8 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,135 (2022)
Projected traffic2,479 by 2045
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 Louisa Road over South Anna River built?

It was built in 1924, making it 101 years old in 2025. It was reconstructed in 1991.

What condition is Louisa 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 2023.

How much traffic does Louisa Road over South Anna River carry?

About 2,135 vehicles per day (2022 count).

How long is Louisa Road over South Anna River?

The structure is 129 ft (39.3 m) long with a longest span of 65 ft (19.8 m) and a deck 32 ft wide.

Who owns Louisa Road over South Anna River?

It is owned by the State Highway Agency.