US Bridges

I-81 Sbl over Saumsville RD (rt 600)

Fair

Shenandoah County, Virginia · 4.42 to 42 - 3.70 to 651 · Structure no. 000000000017001

Built
1965
60 years old
Condition
Fair
inspected June 2024
Type
Tee Beam
Concrete
Length
115 ft
3 main spans
Daily traffic
46,351
2022 count
Owner
State
State Highway Agency

About this bridge

I-81 Sbl over Saumsville RD (rt 600) is a concrete tee beam carrying I-81 Sbl over Saumsville RD (rt 600) in Shenandoah 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 46,351 vehicles a day, roughly 27% of them trucks, projected to reach 33,996 by 2042. The structure is 115 ft (35 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-81 Sbl
CrossesSaumsville RD (rt 600)
Location4.42 to 42 - 3.70 to 651
RouteInterstate 81
CountyShenandoah County
StateVirginia
Coordinates38.92622, -78.48502
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.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
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 geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74 US tons
Inventory rating57 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length115 ft (35 m)
Longest span37 ft (11.3 m)
Deck width44 ft (13.4 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic46,351 (2022)
Projected traffic33,996 by 2042
Trucks27%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$72 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-81 Sbl over Saumsville RD (rt 600) built?

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

What condition is I-81 Sbl over Saumsville RD (rt 600) 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 June 2024.

How much traffic does I-81 Sbl over Saumsville RD (rt 600) carry?

About 46,351 vehicles per day (2022 count), of which roughly 27% are trucks.

How long is I-81 Sbl over Saumsville RD (rt 600)?

The structure is 115 ft (35 m) long with a longest span of 37 ft (11.3 m) and a deck 44 ft wide.

Who owns I-81 Sbl over Saumsville RD (rt 600)?

It is owned by the State Highway Agency.