US Bridges

US221 321 over Mid.Fork S.Fork New Rv

Good

Watauga County, North Carolina · 0.1 MI.N.JCT.SR1540 · Structure no. 000000001890030

Built
1981
44 years old
Condition
Good
inspected August 2021
Type
Culvert
Concrete Continuous
Length
43 ft
3 main spans
Daily traffic
18,000
2019 count
Owner
State
State Highway Agency

About this bridge

US221 321 over Mid.Fork S.Fork New Rv is a concrete continuous culvert carrying US221 321 over Mid.Fork S.Fork New Rv in Watauga County, North Carolina. It was built in 1981, so it is 44 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 18,000 vehicles a day, roughly 14% of them trucks, projected to reach 36,000 by 2040. The structure is 43 ft (13.1 m) long. If it were closed, the detour would be 7.5 mi (12 km).

CarriesUS221 321
CrossesMid.Fork S.Fork New Rv
Location0.1 MI.N.JCT.SR1540
RouteU.S. Route 221
Coordinates36.17066, -81.64569
Functional classRural Principal Arterial - Other

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.9 US tons
Inventory rating39.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length43 ft (13.1 m)
Longest span12 ft (3.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,000 (2019)
Projected traffic36,000 by 2040
Trucks14%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US221 321 over Mid.Fork S.Fork New Rv built?

It was built in 1981, making it 44 years old in 2025.

What condition is US221 321 over Mid.Fork S.Fork New Rv 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 2021.

How much traffic does US221 321 over Mid.Fork S.Fork New Rv carry?

About 18,000 vehicles per day (2019 count), of which roughly 14% are trucks.

How long is US221 321 over Mid.Fork S.Fork New Rv?

The structure is 43 ft (13.1 m) long with a longest span of 12 ft (3.6 m).

Who owns US221 321 over Mid.Fork S.Fork New Rv?

It is owned by the State Highway Agency.