US Bridges

Thornhill Road over Pamunkey Creek

Good

Orange County, Virginia · 1.25 from 522&1.05 to 612 · Structure no. 000000000013022

Built
1970
55 years old
Condition
Good
inspected March 2024
Type
Tee Beam
Concrete
Length
130 ft
3 main spans
Daily traffic
649
2017 count
Owner
State
State Highway Agency

About this bridge

Thornhill Road over Pamunkey Creek is a concrete tee beam carrying Thornhill Road over Pamunkey Creek in Orange County, Virginia. It was built in 1970, so it is 55 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 649 vehicles a day, projected to reach 1,012 by 2042. The structure is 130 ft (39.6 m) long and 30 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesThornhill Road
CrossesPamunkey Creek
Location1.25 from 522&1.05 to 612
RouteCounty Highway 651
Coordinates38.15474, -77.95041
Functional classRural Local

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 inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating72 US tons
Inventory rating56 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length130 ft (39.6 m)
Longest span44 ft (13.4 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic649 (2017)
Projected traffic1,012 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Thornhill Road over Pamunkey Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is Thornhill Road over Pamunkey Creek 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 March 2024.

How much traffic does Thornhill Road over Pamunkey Creek carry?

About 649 vehicles per day (2017 count).

How long is Thornhill Road over Pamunkey Creek?

The structure is 130 ft (39.6 m) long with a longest span of 44 ft (13.4 m) and a deck 30 ft wide.

Who owns Thornhill Road over Pamunkey Creek?

It is owned by the State Highway Agency.