US Bridges

Nc Route 181 over Blue Ridge Parkway

Good

Avery County, North Carolina · 5.2 Miles from U.S. Route · Structure no. 5140100P0000000

Built
1959
66 years old
Condition
Good
inspected July 2023
Type
Arch - Deck
Concrete
Length
70 ft
1 main span
Daily traffic
1,020
2011 count
Owner
Federal
National Park Service

About this bridge

Nc Route 181 over Blue Ridge Parkway is a concrete arch - deck carrying Nc Route 181 over Blue Ridge Parkway in Avery County, North Carolina. It was built in 1959, so it is 66 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,020 vehicles a day, roughly 10% of them trucks, projected to reach 1,122 by 2031. The structure is 70 ft (21.4 m) long and 38 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

CarriesNc Route 181
CrossesBlue Ridge Parkway
Location5.2 Miles from U.S. Route
RouteFederal Lands Road 1
Coordinates36.0048, -81.89048
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86 US tons
Inventory rating51 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 15
Structure length70 ft (21.4 m)
Longest span70 ft (21.4 m)
Deck width38 ft (11.6 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,020 (2011)
Projected traffic1,122 by 2031
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed16.8 mi (27 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$75,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nc Route 181 over Blue Ridge Parkway built?

It was built in 1959, making it 66 years old in 2025.

What condition is Nc Route 181 over Blue Ridge Parkway in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2023.

How much traffic does Nc Route 181 over Blue Ridge Parkway carry?

About 1,020 vehicles per day (2011 count), of which roughly 10% are trucks.

How long is Nc Route 181 over Blue Ridge Parkway?

The structure is 70 ft (21.4 m) long with a longest span of 70 ft (21.4 m) and a deck 38 ft wide.

Who owns Nc Route 181 over Blue Ridge Parkway?

It is owned by the National Park Service.