US Bridges

Routes 581 & 220 over Rtes 11; 116 & 460

Fair

Roanoke County, Virginia · 2.83-RT 101 & 0.43-RT 11 · Structure no. 000000000021742

Built
1965
60 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
183 ft
3 main spans
Daily traffic
73,429
2022 count
Owner
State
State Highway Agency

About this bridge

Routes 581 & 220 over Rtes 11; 116 & 460 is a steel stringer/multi-beam or girder carrying Routes 581 & 220 over Rtes 11; 116 & 460 in Roanoke County, Virginia. It was built in 1965, so it is 60 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 73,429 vehicles a day, roughly 1% of them trucks, projected to reach 81,873 by 2045. The structure is 183 ft (55.8 m) long and 133 ft wide.

Location

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CarriesRoutes 581 & 220
CrossesRtes 11; 116 & 460
Location2.83-RT 101 & 0.43-RT 11
RouteInterstate 581
CountyRoanoke County
StateVirginia
Coordinates37.28196, -79.93831
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating44 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length183 ft (55.8 m)
Longest span99 ft (30.2 m)
Deck width133 ft (40.6 m)
Roadway width128 ft (39 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic73,429 (2022)
Projected traffic81,873 by 2045
Trucks1%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$22 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Routes 581 & 220 over Rtes 11; 116 & 460 built?

It was built in 1965, making it 60 years old in 2025.

What condition is Routes 581 & 220 over Rtes 11; 116 & 460 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 2023.

How much traffic does Routes 581 & 220 over Rtes 11; 116 & 460 carry?

About 73,429 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Routes 581 & 220 over Rtes 11; 116 & 460?

The structure is 183 ft (55.8 m) long with a longest span of 99 ft (30.2 m) and a deck 133 ft wide.

Who owns Routes 581 & 220 over Rtes 11; 116 & 460?

It is owned by the State Highway Agency.