US Bridges

Castle Rock Road over Mechums River

Fair

Albemarle County, Virginia · 0.95 FR 635 / 1.16 to 636 · Structure no. 000000000000761

Built
1973
52 years old
Condition
Fair
inspected July 2024
Type
Culvert
Steel
Length
30 ft
3 main spans
Daily traffic
58
2021 count
Owner
State
State Highway Agency

About this bridge

Castle Rock Road over Mechums River is a steel culvert carrying Castle Rock Road over Mechums River in Albemarle County, Virginia. It was built in 1973, so it is 52 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 5 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 58 vehicles a day, projected to reach 65 by 2042. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesCastle Rock Road
CrossesMechums River
Location0.95 FR 635 / 1.16 to 636
RouteCounty Highway 691
Coordinates37.97852, -78.76538
Functional classRural Local

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating49.1 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 20
Structure length30 ft (9.1 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 traffic58 (2021)
Projected traffic65 by 2042
Trucks0%
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 Castle Rock Road over Mechums River built?

It was built in 1973, making it 52 years old in 2025.

What condition is Castle Rock Road over Mechums River 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 July 2024.

How much traffic does Castle Rock Road over Mechums River carry?

About 58 vehicles per day (2021 count).

How long is Castle Rock Road over Mechums River?

The structure is 30 ft (9.1 m) long with a longest span of 10 ft (3 m).

Who owns Castle Rock Road over Mechums River?

It is owned by the State Highway Agency.