US Bridges

Frontage Road Conn over I-81 / I-77

Fair

Wythe County, Virginia · .0M to F042 & .0M to FO43 · Structure no. 000000000019513

Built
1985
40 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
234 ft
2 main spans
Daily traffic
12,286
2017 count
Owner
State
State Highway Agency

About this bridge

Frontage Road Conn over I-81 / I-77 is a steel continuous stringer/multi-beam or girder carrying Frontage Road Conn over I-81 / I-77 in Wythe County, Virginia. It was built in 1985, so it is 40 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 12,286 vehicles a day, projected to reach 19,166 by 2045. The structure is 234 ft (71.3 m) long and 38 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesFrontage Road Conn
CrossesI-81 / I-77
Location.0M to F042 & .0M to FO43
RouteInterstate 0
CountyWythe County
StateVirginia
Coordinates36.93694, -80.9944
Functional classRural Major Collector

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 inspectionSeptember 2023
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 rating82 US tons
Inventory rating63.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length234 ft (71.3 m)
Longest span117 ft (35.7 m)
Deck width38 ft (11.5 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,286 (2017)
Projected traffic19,166 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 SystemNo

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 Frontage Road Conn over I-81 / I-77 built?

It was built in 1985, making it 40 years old in 2025.

What condition is Frontage Road Conn over I-81 / I-77 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 September 2023.

How much traffic does Frontage Road Conn over I-81 / I-77 carry?

About 12,286 vehicles per day (2017 count).

How long is Frontage Road Conn over I-81 / I-77?

The structure is 234 ft (71.3 m) long with a longest span of 117 ft (35.7 m) and a deck 38 ft wide.

Who owns Frontage Road Conn over I-81 / I-77?

It is owned by the State Highway Agency.