US Bridges

Sparta Rd. over Mill Pond

Fair

Caroline County, Virginia · 2.1M RTE618-0.9M RTE608 · Structure no. 000000000004463

Built
1954
71 years old
Condition
Fair
inspected February 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
610
2022 count
Owner
State
State Highway Agency

About this bridge

Sparta Rd. over Mill Pond is a concrete culvert carrying Sparta Rd. over Mill Pond in Caroline County, Virginia. It was built in 1954, so it is 71 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 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 610 vehicles a day, roughly 1% of them trucks, projected to reach 628 by 2045. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesSparta Rd.
CrossesMill Pond
Location2.1M RTE618-0.9M RTE608
RouteCounty Highway 630
CountyCaroline County
StateVirginia
Coordinates37.98958, -77.21424
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 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
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.1 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic610 (2022)
Projected traffic628 by 2045
Trucks1%
Lanes on structure2
Traffic directionTwo-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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Sparta Rd. over Mill Pond built?

It was built in 1954, making it 71 years old in 2025.

What condition is Sparta Rd. over 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 February 2023.

How much traffic does Sparta Rd. over Mill Pond carry?

About 610 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Sparta Rd. over Mill Pond?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns Sparta Rd. over Mill Pond?

It is owned by the State Highway Agency.