US Bridges

Factory Mill Road over South Anna River

Good

Louisa County, Virginia · 2.80 from 610 &.70 to 611 · Structure no. 000000000011497

Built
1973
52 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
139 ft
2 main spans
Daily traffic
985
2022 count
Owner
State
State Highway Agency

About this bridge

Factory Mill Road over South Anna River is a steel stringer/multi-beam or girder carrying Factory Mill Road over South Anna River in Louisa County, Virginia. It was built in 1973, so it is 52 years old, older than the Virginia average of 50.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 985 vehicles a day, projected to reach 1,258 by 2045. The structure is 139 ft (42.4 m) long and 30 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesFactory Mill Road
CrossesSouth Anna River
Location2.80 from 610 &.70 to 611
RouteCounty Highway 635
Coordinates37.77367, -77.79321
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
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 evaluation7: Better than 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 rating83 US tons
Inventory rating64 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length139 ft (42.4 m)
Longest span70 ft (21.3 m)
Deck width30 ft (9.1 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic985 (2022)
Projected traffic1,258 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 Factory Mill Road over South Anna River built?

It was built in 1973, making it 52 years old in 2025.

What condition is Factory Mill Road over South Anna River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does Factory Mill Road over South Anna River carry?

About 985 vehicles per day (2022 count).

How long is Factory Mill Road over South Anna River?

The structure is 139 ft (42.4 m) long with a longest span of 70 ft (21.3 m) and a deck 30 ft wide.

Who owns Factory Mill Road over South Anna River?

It is owned by the State Highway Agency.