US Bridges

Floyd Highway 221 over Big Run

Good

Floyd County, Virginia · 0.90 Rt 661; 0.30 Rt 664 · Structure no. 000000000027696

Built
1936
89 years old
Condition
Good
inspected January 2025
Type
Slab
Prestressed Concrete
Length
65 ft
2 main spans
Daily traffic
2,692
2022 count
Owner
State
State Highway Agency

About this bridge

Floyd Highway 221 over Big Run is a prestressed concrete slab carrying Floyd Highway 221 over Big Run in Floyd County, Virginia. It was built in 1936, so it is 89 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 2,692 vehicles a day, roughly 1% of them trucks, projected to reach 3,002 by 2045. The structure is 65 ft (19.8 m) long and 32 ft wide. If it were closed, the detour would be 26.1 mi (42 km).

CarriesFloyd Highway 221
CrossesBig Run
Location0.90 Rt 661; 0.30 Rt 664
RouteU.S. Route 221
Coordinates36.99966, -80.18385
Functional classRural Minor Arterial

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 protection8 Very GoodNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79 US tons
Inventory rating61 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length65 ft (19.8 m)
Longest span33 ft (10.1 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,692 (2022)
Projected traffic3,002 by 2045
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.1 mi (42 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$390.2 million (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Floyd Highway 221 over Big Run built?

It was built in 1936, making it 89 years old in 2025.

What condition is Floyd Highway 221 over Big Run 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 January 2025.

How much traffic does Floyd Highway 221 over Big Run carry?

About 2,692 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Floyd Highway 221 over Big Run?

The structure is 65 ft (19.8 m) long with a longest span of 33 ft (10.1 m) and a deck 32 ft wide.

Who owns Floyd Highway 221 over Big Run?

It is owned by the State Highway Agency.