US Bridges

I-81 Nbl over Opequon Creek

Fair

Frederick County, Virginia · 2.01 to 277 - 1.05 to 37 · Structure no. 000000000008113

Built
1963
62 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
139 ft
3 main spans
Daily traffic
30,120
2022 count
Owner
State
State Highway Agency

About this bridge

I-81 Nbl over Opequon Creek is a prestressed concrete stringer/multi-beam or girder carrying I-81 Nbl over Opequon Creek in Frederick County, Virginia. It was built in 1963, so it is 62 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 30,120 vehicles a day, roughly 1% of them trucks, projected to reach 41,101 by 2042. The structure is 139 ft (42.4 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-81 Nbl
CrossesOpequon Creek
Location2.01 to 277 - 1.05 to 37
RouteInterstate 81
Coordinates39.10744, -78.20084
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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating91.1 US tons
Inventory rating57 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length139 ft (42.4 m)
Longest span47 ft (14.3 m)
Deck width44 ft (13.4 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,120 (2022)
Projected traffic41,101 by 2042
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-81 Nbl over Opequon Creek built?

It was built in 1963, making it 62 years old in 2025.

What condition is I-81 Nbl over Opequon Creek 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 2024.

How much traffic does I-81 Nbl over Opequon Creek carry?

About 30,120 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is I-81 Nbl over Opequon Creek?

The structure is 139 ft (42.4 m) long with a longest span of 47 ft (14.3 m) and a deck 44 ft wide.

Who owns I-81 Nbl over Opequon Creek?

It is owned by the State Highway Agency.