US Bridges

Blue Ridge Parkway over I-77

Fair

Carroll County, Virginia · 1.3 Miles to Va Route 52 · Structure no. 5140161P0000000

Built
1974
51 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
334 ft
4 main spans
Daily traffic
1,347
2012 count
Owner
Federal
National Park Service

About this bridge

Blue Ridge Parkway over I-77 is a steel stringer/multi-beam or girder carrying Blue Ridge Parkway over I-77 in Carroll County, Virginia. It was built in 1974, so it is 51 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 1,347 vehicles a day, projected to reach 1,482 by 2032. The structure is 334 ft (101.9 m) long and 34 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesBlue Ridge Parkway
CrossesI-77
Location1.3 Miles to Va Route 52
RouteFederal Lands Road 1
CountyCarroll County
StateVirginia
Coordinates36.65175, -80.70669
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating42 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length334 ft (101.9 m)
Longest span87 ft (26.6 m)
Deck width34 ft (10.5 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,347 (2012)
Projected traffic1,482 by 2032
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

OwnerNational Park Service
Maintained byNational Park Service
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2.5 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Blue Ridge Parkway over I-77 built?

It was built in 1974, making it 51 years old in 2025.

What condition is Blue Ridge Parkway over 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 July 2024.

How much traffic does Blue Ridge Parkway over I-77 carry?

About 1,347 vehicles per day (2012 count).

How long is Blue Ridge Parkway over I-77?

The structure is 334 ft (101.9 m) long with a longest span of 87 ft (26.6 m) and a deck 34 ft wide.

Who owns Blue Ridge Parkway over I-77?

It is owned by the National Park Service.