US Bridges

Grand Caverns RD over Overflow South River

Good

Augusta County, Virginia · 0.01 Dead END-0.19 Rt 825 · Structure no. 000000000002382

Built
1932
93 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
356
2019 count
Owner
State
State Highway Agency

About this bridge

Grand Caverns RD over Overflow South River is a steel stringer/multi-beam or girder carrying Grand Caverns RD over Overflow South River in Augusta County, Virginia. It was built in 1932, 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 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 356 vehicles a day, projected to reach 398 by 2045. The structure is 30 ft (9.2 m) long and 24 ft wide. If it were closed, the detour would be 198.8 mi (320 km).

CarriesGrand Caverns RD
CrossesOverflow South River
Location0.01 Dead END-0.19 Rt 825
RouteCounty Highway 844
Coordinates38.25901, -78.83402
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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating42 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20 + Mod
Structure length30 ft (9.2 m)
Longest span28 ft (8.5 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic356 (2019)
Projected traffic398 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed198.8 mi (320 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 Grand Caverns RD over Overflow South River built?

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

What condition is Grand Caverns RD over Overflow South River 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 October 2023.

How much traffic does Grand Caverns RD over Overflow South River carry?

About 356 vehicles per day (2019 count).

How long is Grand Caverns RD over Overflow South River?

The structure is 30 ft (9.2 m) long with a longest span of 28 ft (8.5 m) and a deck 24 ft wide.

Who owns Grand Caverns RD over Overflow South River?

It is owned by the State Highway Agency.