US Bridges

Shady Grove RD over Mill Creek

Good

Rockingham County, Virginia · 0.02 Rt 670 - 0.30 Rt 828 · Structure no. 000000000016015

Built
1976
49 years old, rebuilt 2010
Condition
Good
inspected February 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
49 ft
1 main span
Daily traffic
191
2018 count
Owner
State
State Highway Agency

About this bridge

Shady Grove RD over Mill Creek is a prestressed concrete box beam or girders - multiple carrying Shady Grove RD over Mill Creek in Rockingham County, Virginia. It was built in 1976 and reconstructed in 2010, so it is 49 years old, younger 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 191 vehicles a day, projected to reach 217 by 2045. The structure is 49 ft (14.9 m) long and 16 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesShady Grove RD
CrossesMill Creek
Location0.02 Rt 670 - 0.30 Rt 828
RouteCounty Highway 671
Coordinates38.31632, -78.81863
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating75.9 US tons
Inventory rating59 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadUnknown
Structure length49 ft (14.9 m)
Longest span47 ft (14.2 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic191 (2018)
Projected traffic217 by 2045
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedDeck replacement with only incidental widening
Estimated improvement cost$65 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Shady Grove RD over Mill Creek built?

It was built in 1976, making it 49 years old in 2025. It was reconstructed in 2010.

What condition is Shady Grove RD over Mill Creek 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 February 2025.

How much traffic does Shady Grove RD over Mill Creek carry?

About 191 vehicles per day (2018 count).

How long is Shady Grove RD over Mill Creek?

The structure is 49 ft (14.9 m) long with a longest span of 47 ft (14.2 m) and a deck 16 ft wide.

Who owns Shady Grove RD over Mill Creek?

It is owned by the State Highway Agency.