US Bridges

Blue Ridge Pkwy. over US221 US321

Good

Watauga County, North Carolina · 0.2 MI.S.JCT.SR1539 · Structure no. 000000001890007

Built
1982
43 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
233 ft
2 main spans
Daily traffic
1,800
2018 count
Owner
State
State Highway Agency

About this bridge

Blue Ridge Pkwy. over US221 US321 is a steel stringer/multi-beam or girder carrying Blue Ridge Pkwy. over US221 US321 in Watauga County, North Carolina. It was built in 1982, so it is 43 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 1,800 vehicles a day, roughly 8% of them trucks, projected to reach 3,600 by 2040. The structure is 233 ft (71 m) long and 36 ft wide. If it were closed, the detour would be 17.4 mi (28 km).

CarriesBlue Ridge Pkwy.
CrossesUS221 US321
Location0.2 MI.S.JCT.SR1539
RouteFederal Lands Road 0
Coordinates36.14781, -81.66258
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating91.9 US tons
Inventory rating54.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length233 ft (71 m)
Longest span116 ft (35.3 m)
Deck width36 ft (11.1 m)
Roadway width34 ft (10.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,800 (2018)
Projected traffic3,600 by 2040
Trucks8%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed17.4 mi (28 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Blue Ridge Pkwy. over US221 US321 built?

It was built in 1982, making it 43 years old in 2025.

What condition is Blue Ridge Pkwy. over US221 US321 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 August 2023.

How much traffic does Blue Ridge Pkwy. over US221 US321 carry?

About 1,800 vehicles per day (2018 count), of which roughly 8% are trucks.

How long is Blue Ridge Pkwy. over US221 US321?

The structure is 233 ft (71 m) long with a longest span of 116 ft (35.3 m) and a deck 36 ft wide.

Who owns Blue Ridge Pkwy. over US221 US321?

It is owned by the State Highway Agency.