US Bridges

Shannon Hill Road over South Anna River

Fair

Louisa County, Virginia · 1.10 from 646&1.00 to 644 · Structure no. 000000000011466

Built
1964
61 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
127 ft
2 main spans
Daily traffic
1,996
2022 count
Owner
State
State Highway Agency

About this bridge

Shannon Hill Road over South Anna River is a steel stringer/multi-beam or girder carrying Shannon Hill Road over South Anna River in Louisa County, Virginia. It was built in 1964, so it is 61 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 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 1,996 vehicles a day, roughly 1% of them trucks, projected to reach 2,880 by 2045. The structure is 127 ft (38.7 m) long and 29 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
CarriesShannon Hill Road
CrossesSouth Anna River
Location1.10 from 646&1.00 to 644
RouteCounty Highway 605
CountyLouisa County
StateVirginia
Coordinates37.93179, -77.96204
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
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 adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating71 US tons
Inventory rating54 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length127 ft (38.7 m)
Longest span64 ft (19.5 m)
Deck width29 ft (8.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,996 (2022)
Projected traffic2,880 by 2045
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 Shannon Hill Road over South Anna River built?

It was built in 1964, making it 61 years old in 2025.

What condition is Shannon Hill 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 Shannon Hill Road over South Anna River carry?

About 1,996 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Shannon Hill Road over South Anna River?

The structure is 127 ft (38.7 m) long with a longest span of 64 ft (19.5 m) and a deck 29 ft wide.

Who owns Shannon Hill Road over South Anna River?

It is owned by the State Highway Agency.