US Bridges

Blue Ridge Parkway over Nc Route 18

Fair

Ashe County, North Carolina · 0.8 Miles from Nc Route 1 · Structure no. 5140089P0000000

Built
1939
86 years old
Condition
Fair
inspected July 2023
Type
Arch - Deck
Concrete
Length
50 ft
1 main span
Daily traffic
1,347
2011 count
Owner
Federal
National Park Service

About this bridge

Blue Ridge Parkway over Nc Route 18 is a concrete arch - deck carrying Blue Ridge Parkway over Nc Route 18 in Ashe County, North Carolina. It was built in 1939, so it is 86 years old, older than the North Carolina average of 38.7 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 1,347 vehicles a day, roughly 13% of them trucks, projected to reach 1,482 by 2031. The structure is 50 ft (15.1 m) long and 30 ft wide. If it were closed, the detour would be 39.8 mi (64 km).

CarriesBlue Ridge Parkway
CrossesNc Route 18
Location0.8 Miles from Nc Route 1
RouteFederal Lands Road 1
Coordinates36.39106, -81.24525
Functional classRural Minor 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
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31 US tons
Inventory rating19 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 15
Structure length50 ft (15.1 m)
Longest span50 ft (15.1 m)
Deck width30 ft (9.2 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,347 (2011)
Projected traffic1,482 by 2031
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed39.8 mi (64 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 proposedNone recorded
Estimated improvement cost$3,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Blue Ridge Parkway over Nc Route 18 built?

It was built in 1939, making it 86 years old in 2025.

What condition is Blue Ridge Parkway over Nc Route 18 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 2023.

How much traffic does Blue Ridge Parkway over Nc Route 18 carry?

About 1,347 vehicles per day (2011 count), of which roughly 13% are trucks.

How long is Blue Ridge Parkway over Nc Route 18?

The structure is 50 ft (15.1 m) long with a longest span of 50 ft (15.1 m) and a deck 30 ft wide.

Who owns Blue Ridge Parkway over Nc Route 18?

It is owned by the National Park Service.