US Bridges

Manville Rd. over Black Oak Branch

PoorPosted for load

Scott County, Virginia · 0.10 FR 664N; 0.12 to 664 · Structure no. 000000000016799

Built
1932
93 years old, rebuilt 1993
Condition
Poor
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
24 ft
1 main span
Daily traffic
278
2022 count
Owner
State
State Highway Agency

About this bridge

Manville Rd. over Black Oak Branch is a steel stringer/multi-beam or girder carrying Manville Rd. over Black Oak Branch in Scott County, Virginia. It was built in 1932 and reconstructed in 1993, so it is 93 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: posted for load restriction.

It carries about 278 vehicles a day, projected to reach 417 by 2042. The structure is 24 ft (7.3 m) long and 24 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesManville Rd.
CrossesBlack Oak Branch
Location0.10 FR 664N; 0.12 to 664
RouteCounty Highway 665
Coordinates36.67129, -82.64156
Functional classRural Minor Collector

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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating46 US tons
Inventory rating28 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span22 ft (6.7 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic278 (2022)
Projected traffic417 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$66 million (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Manville Rd. over Black Oak Branch built?

It was built in 1932, making it 93 years old in 2025. It was reconstructed in 1993.

What condition is Manville Rd. over Black Oak Branch 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 May 2024.

How much traffic does Manville Rd. over Black Oak Branch carry?

About 278 vehicles per day (2022 count).

How long is Manville Rd. over Black Oak Branch?

The structure is 24 ft (7.3 m) long with a longest span of 22 ft (6.7 m) and a deck 24 ft wide.

Who owns Manville Rd. over Black Oak Branch?

It is owned by the State Highway Agency.