US Bridges

Sbl Route 0581 over NS Rwy;shen & Campbl Ave

Fair

Roanoke County, Virginia · 0.26-RT11 & 0.41-RT24 · Structure no. 000000000021754

Built
1968
57 years old, rebuilt 1988
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
1,128 ft
18 main spans
Daily traffic
32,957
2022 count
Owner
State
State Highway Agency

About this bridge

Sbl Route 0581 over NS Rwy;shen & Campbl Ave is a steel stringer/multi-beam or girder carrying Sbl Route 0581 over NS Rwy;shen & Campbl Ave in Roanoke County, Virginia. It was built in 1968 and reconstructed in 1988, so it is 57 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 6 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 32,957 vehicles a day, roughly 1% of them trucks, projected to reach 34,608 by 2045. The structure is 1,128 ft (343.9 m) long and 46 ft wide.

CarriesSbl Route 0581
CrossesNS Rwy;shen & Campbl Ave
Location0.26-RT11 & 0.41-RT24
RouteInterstate 581
Coordinates37.27108, -79.93626
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 23 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating48 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans18
Design loadHS 20 + Mod
Structure length1,128 ft (343.9 m)
Longest span83 ft (25.3 m)
Deck width46 ft (13.9 m)
Roadway width43 ft (13.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,957 (2022)
Projected traffic34,608 by 2045
Trucks1%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed—
TollOn a free road
National Highway SystemYes

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$125 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Sbl Route 0581 over NS Rwy;shen & Campbl Ave built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 1988.

What condition is Sbl Route 0581 over NS Rwy;shen & Campbl Ave 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 May 2023.

How much traffic does Sbl Route 0581 over NS Rwy;shen & Campbl Ave carry?

About 32,957 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Sbl Route 0581 over NS Rwy;shen & Campbl Ave?

The structure is 1,128 ft (343.9 m) long with a longest span of 83 ft (25.3 m) and a deck 46 ft wide.

Who owns Sbl Route 0581 over NS Rwy;shen & Campbl Ave?

It is owned by the State Highway Agency.