US Bridges

I-81 Nbl over South Middle RD (rt 614)

Fair

Shenandoah County, Virginia · 3.91 to 292 - 1.96 to 185 · Structure no. 000000000017027

Built
1966
59 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
154 ft
3 main spans
Daily traffic
23,782
2022 count
Owner
State
State Highway Agency

About this bridge

I-81 Nbl over South Middle RD (rt 614) is a steel stringer/multi-beam or girder carrying I-81 Nbl over South Middle RD (rt 614) in Shenandoah County, Virginia. It was built in 1966, so it is 59 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 23,782 vehicles a day, roughly 1% of them trucks, projected to reach 30,342 by 2045. The structure is 154 ft (47 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-81 Nbl
CrossesSouth Middle RD (rt 614)
Location3.91 to 292 - 1.96 to 185
RouteInterstate 81
Coordinates38.81003, -78.59795
Functional classRural 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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 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 geometry8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating57 US tons
Inventory rating44 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length154 ft (47 m)
Longest span51 ft (15.4 m)
Deck width44 ft (13.4 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,782 (2022)
Projected traffic30,342 by 2045
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-81 Nbl over South Middle RD (rt 614) built?

It was built in 1966, making it 59 years old in 2025.

What condition is I-81 Nbl over South Middle RD (rt 614) 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 April 2023.

How much traffic does I-81 Nbl over South Middle RD (rt 614) carry?

About 23,782 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is I-81 Nbl over South Middle RD (rt 614)?

The structure is 154 ft (47 m) long with a longest span of 51 ft (15.4 m) and a deck 44 ft wide.

Who owns I-81 Nbl over South Middle RD (rt 614)?

It is owned by the State Highway Agency.