US Bridges

Spring Rd. over Clarks Mill Pond

Fair

Northumberland County, Virginia · 1.1M RT360 -0.8M RT629 · Structure no. 000000000012784

Built
1979
46 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
52 ft
1 main span
Daily traffic
441
2022 count
Owner
State
State Highway Agency

About this bridge

Spring Rd. over Clarks Mill Pond is a steel stringer/multi-beam or girder carrying Spring Rd. over Clarks Mill Pond in Northumberland County, Virginia. It was built in 1979, so it is 46 years old, younger 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 441 vehicles a day, projected to reach 492 by 2045. The structure is 52 ft (15.8 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSpring Rd.
CrossesClarks Mill Pond
Location1.1M RT360 -0.8M RT629
RouteCounty Highway 634
Coordinates37.93204, -76.46779
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.2 US tons
Inventory rating61.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length52 ft (15.8 m)
Longest span47 ft (14.3 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic441 (2022)
Projected traffic492 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Spring Rd. over Clarks Mill Pond built?

It was built in 1979, making it 46 years old in 2025.

What condition is Spring Rd. over Clarks Mill Pond 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 May 2023.

How much traffic does Spring Rd. over Clarks Mill Pond carry?

About 441 vehicles per day (2022 count).

How long is Spring Rd. over Clarks Mill Pond?

The structure is 52 ft (15.8 m) long with a longest span of 47 ft (14.3 m) and a deck 32 ft wide.

Who owns Spring Rd. over Clarks Mill Pond?

It is owned by the State Highway Agency.