US Bridges

I-81 on & Off Ramp over I-81

Fair

Rockingham County, Virginia · 0.44 to 81- 0.23 to 11 · Structure no. 000000000020456

Built
1966
59 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
308 ft
4 main spans
Daily traffic
3,883
2022 count
Owner
State
State Highway Agency

About this bridge

I-81 on & Off Ramp over I-81 is a steel stringer/multi-beam or girder carrying I-81 on & Off Ramp over I-81 in Rockingham 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 3,883 vehicles a day, projected to reach 4,984 by 2045. The structure is 308 ft (93.9 m) long and 61 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesI-81 on & Off Ramp
CrossesI-81
Location0.44 to 81- 0.23 to 11
RouteInterstate 81
CountyRockingham County
StateVirginia
Coordinates38.40249, -78.90763
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 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 geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating49.1 US tons
Inventory rating38 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length308 ft (93.9 m)
Longest span82 ft (25 m)
Deck width61 ft (18.6 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,883 (2022)
Projected traffic4,984 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemYes

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$117 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-81 on & Off Ramp over I-81 built?

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

What condition is I-81 on & Off Ramp over I-81 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 October 2023.

How much traffic does I-81 on & Off Ramp over I-81 carry?

About 3,883 vehicles per day (2022 count).

How long is I-81 on & Off Ramp over I-81?

The structure is 308 ft (93.9 m) long with a longest span of 82 ft (25 m) and a deck 61 ft wide.

Who owns I-81 on & Off Ramp over I-81?

It is owned by the State Highway Agency.