US Bridges

River Ridge RD 664 over Big Run

Fair

Floyd County, Virginia · 0.05 Rt 221; 1.25 Rt 639 · Structure no. 000000000007571

Built
1990
35 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
67 ft
1 main span
Daily traffic
376
2022 count
Owner
State
State Highway Agency

About this bridge

River Ridge RD 664 over Big Run is a steel stringer/multi-beam or girder carrying River Ridge RD 664 over Big Run in Floyd County, Virginia. It was built in 1990, so it is 35 years old, younger 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 376 vehicles a day, projected to reach 419 by 2042. The structure is 67 ft (20.4 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesRiver Ridge RD 664
CrossesBig Run
Location0.05 Rt 221; 1.25 Rt 639
RouteCounty Highway 664
CountyFloyd County
StateVirginia
Coordinates36.99863, -80.17909
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
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 alignment6: Equal to present minimum criteria
Operating rating78 US tons
Inventory rating60 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length67 ft (20.4 m)
Longest span67 ft (20.4 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic376 (2022)
Projected traffic419 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was River Ridge RD 664 over Big Run built?

It was built in 1990, making it 35 years old in 2025.

What condition is River Ridge RD 664 over Big Run 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 September 2024.

How much traffic does River Ridge RD 664 over Big Run carry?

About 376 vehicles per day (2022 count).

How long is River Ridge RD 664 over Big Run?

The structure is 67 ft (20.4 m) long with a longest span of 67 ft (20.4 m) and a deck 28 ft wide.

Who owns River Ridge RD 664 over Big Run?

It is owned by the State Highway Agency.