US Bridges

I-81 RAMPS/RT11CON over Dry Fork

Fair

Rockingham County, Virginia · 0.20 Rt 11 - 0.15 Rt 81 · Structure no. 000000000015841

Built
1959
66 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
42 ft
4 main spans
Daily traffic
4,730
2022 count
Owner
State
State Highway Agency

About this bridge

I-81 RAMPS/RT11CON over Dry Fork is a concrete culvert carrying I-81 RAMPS/RT11CON over Dry Fork in Rockingham County, Virginia. It was built in 1959, so it is 66 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 4,730 vehicles a day, projected to reach 5,274 by 2042. The structure is 42 ft (12.8 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-81 RAMPS/RT11CON
CrossesDry Fork
Location0.20 Rt 11 - 0.15 Rt 81
RouteInterstate 81
CountyRockingham County
StateVirginia
Coordinates38.48175, -78.81307
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.1 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length42 ft (12.8 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,730 (2022)
Projected traffic5,274 by 2042
Trucks0%
Lanes on structure4
Traffic directionTwo-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 RAMPS/RT11CON over Dry Fork built?

It was built in 1959, making it 66 years old in 2025.

What condition is I-81 RAMPS/RT11CON over Dry Fork 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 2024.

How much traffic does I-81 RAMPS/RT11CON over Dry Fork carry?

About 4,730 vehicles per day (2022 count).

How long is I-81 RAMPS/RT11CON over Dry Fork?

The structure is 42 ft (12.8 m) long with a longest span of 10 ft (3 m).

Who owns I-81 RAMPS/RT11CON over Dry Fork?

It is owned by the State Highway Agency.