US Bridges

I-81 Nbl over Saumsville RD (rte 600)

Fair

Shenandoah County, Virginia · 4.42 to 42 - 3.7 to 651 · Structure no. 000000000016999

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

About this bridge

I-81 Nbl over Saumsville RD (rte 600) is a concrete tee beam carrying I-81 Nbl over Saumsville RD (rte 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 31,046 by 2042. The structure is 112 ft (34.2 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 Nbl
CrossesSaumsville RD (rte 600)
Location4.42 to 42 - 3.7 to 651
RouteInterstate 81
CountyShenandoah County
StateVirginia
Coordinates38.92605, -78.48469
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 length112 ft (34.2 m)
Longest span37 ft (11.4 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 traffic31,046 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 proposedNone recorded
Estimated improvement cost$72 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-81 Nbl over Saumsville RD (rte 600) built?

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

What condition is I-81 Nbl over Saumsville RD (rte 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 Nbl over Saumsville RD (rte 600) carry?

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

How long is I-81 Nbl over Saumsville RD (rte 600)?

The structure is 112 ft (34.2 m) long with a longest span of 37 ft (11.4 m) and a deck 44 ft wide.

Who owns I-81 Nbl over Saumsville RD (rte 600)?

It is owned by the State Highway Agency.