US Bridges

Ramp a FR I-81 Sbl over Routes 77 & 81

Fair

Wythe County, Virginia · 1.1MTO81&1.5MTOECLWVIL · Structure no. 000000000022375

Built
1986
39 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
235 ft
2 main spans
Daily traffic
1,687
2022 count
Owner
State
State Highway Agency

About this bridge

Ramp a FR I-81 Sbl over Routes 77 & 81 is a steel continuous stringer/multi-beam or girder carrying Ramp a FR I-81 Sbl over Routes 77 & 81 in Wythe County, Virginia. It was built in 1986, so it is 39 years old, younger 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 6 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 1,687 vehicles a day, roughly 13% of them trucks, projected to reach 2,463 by 2042. The structure is 235 ft (71.6 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesRamp a FR I-81 Sbl
CrossesRoutes 77 & 81
Location1.1MTO81&1.5MTOECLWVIL
RouteInterstate 81
CountyWythe County
StateVirginia
Coordinates36.94897, -81.05362
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating48 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length235 ft (71.6 m)
Longest span131 ft (39.9 m)
Deck width32 ft (9.7 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,687 (2022)
Projected traffic2,463 by 2042
Trucks13%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$760.5 million (2019 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ramp a FR I-81 Sbl over Routes 77 & 81 built?

It was built in 1986, making it 39 years old in 2025.

What condition is Ramp a FR I-81 Sbl over Routes 77 & 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 March 2024.

How much traffic does Ramp a FR I-81 Sbl over Routes 77 & 81 carry?

About 1,687 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is Ramp a FR I-81 Sbl over Routes 77 & 81?

The structure is 235 ft (71.6 m) long with a longest span of 131 ft (39.9 m) and a deck 32 ft wide.

Who owns Ramp a FR I-81 Sbl over Routes 77 & 81?

It is owned by the State Highway Agency.