US Bridges

Sprately Mill Road over Johnchecohunk Swamp

Good

Surry County, Virginia · 0.91 Mi.Fr.Int.Rte. 616 · Structure no. 000000000018214

Built
1970
55 years old, rebuilt 2007
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
50 ft
1 main span
Daily traffic
21
2018 count
Owner
State
State Highway Agency

About this bridge

Sprately Mill Road over Johnchecohunk Swamp is a steel stringer/multi-beam or girder carrying Sprately Mill Road over Johnchecohunk Swamp in Surry County, Virginia. It was built in 1970 and reconstructed in 2007, 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 21 vehicles a day, projected to reach 24 by 2045. The structure is 50 ft (15.1 m) long and 25 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesSprately Mill Road
CrossesJohnchecohunk Swamp
Location0.91 Mi.Fr.Int.Rte. 616
RouteCounty Highway 630
CountySurry County
StateVirginia
Coordinates37.07837, -76.92519
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
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 rating51.1 US tons
Inventory rating39.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadH 20
Structure length50 ft (15.1 m)
Longest span50 ft (15.1 m)
Deck width25 ft (7.6 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21 (2018)
Projected traffic24 by 2045
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 Sprately Mill Road over Johnchecohunk Swamp built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2007.

What condition is Sprately Mill Road over Johnchecohunk Swamp 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 Sprately Mill Road over Johnchecohunk Swamp carry?

About 21 vehicles per day (2018 count).

How long is Sprately Mill Road over Johnchecohunk Swamp?

The structure is 50 ft (15.1 m) long with a longest span of 50 ft (15.1 m) and a deck 25 ft wide.

Who owns Sprately Mill Road over Johnchecohunk Swamp?

It is owned by the State Highway Agency.