US Bridges

Hamilton Road over South Anna River

PoorClosed to traffic

Louisa County, Virginia · 1.65 from 640 &.75 to 613 · Structure no. 000000000011551

Built
1929
96 years old
Condition
Poor
inspected July 2024
Type
Truss - Thru
Steel
Length
84 ft
1 main span
Daily traffic
58
2019 count
Owner
State
State Highway Agency

About this bridge

Hamilton Road over South Anna River is a steel truss - thru carrying Hamilton Road over South Anna River in Louisa County, Virginia. It was built in 1929, so it is 96 years old, older than the Virginia average of 50.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: closed to all traffic.

It carries about 58 vehicles a day, projected to reach 66 by 2045. The structure is 84 ft (25.5 m) long and 12 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesHamilton Road
CrossesSouth Anna River
Location1.65 from 640 &.75 to 613
RouteCounty Highway 695
Coordinates38.03035, -78.13828
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 6 months
Operating statusClosed to all traffic
ScourFoundations stable; scour above top of footing
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating7.1 US tons
Inventory rating4 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadH 10
Structure length84 ft (25.5 m)
Longest span80 ft (24.4 m)
Deck width12 ft (3.7 m)
Roadway width11 ft (3.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic58 (2019)
Projected traffic66 by 2045
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$500 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Hamilton Road over South Anna River built?

It was built in 1929, making it 96 years old in 2025.

What condition is Hamilton Road over South Anna River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2024.

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

About 58 vehicles per day (2019 count).

How long is Hamilton Road over South Anna River?

The structure is 84 ft (25.5 m) long with a longest span of 80 ft (24.4 m) and a deck 12 ft wide.

Who owns Hamilton Road over South Anna River?

It is owned by the State Highway Agency.