US Bridges

US221 over Prathers Creek

Good

Alleghany County, North Carolina · 0.5 MI.S.JCT.NC113 · Structure no. 000000000050009

Built
2012
13 years old
Condition
Good
inspected August 2024
Type
Slab
Prestressed Concrete
Length
127 ft
2 main spans
Daily traffic
450
2022 count
Owner
State
State Highway Agency

About this bridge

US221 over Prathers Creek is a prestressed concrete slab carrying US221 over Prathers Creek in Alleghany County, North Carolina. It was built in 2012, so it is 13 years old, younger 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 450 vehicles a day, roughly 7% of them trucks, projected to reach 900 by 2040. The structure is 127 ft (38.7 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesUS221
CrossesPrathers Creek
Location0.5 MI.S.JCT.NC113
RouteU.S. Route 221
Coordinates36.48457, -81.28616
Functional classRural Major Collector

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating62.9 US tons
Inventory rating47 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHL 93
Structure length127 ft (38.7 m)
Longest span69 ft (21 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic450 (2022)
Projected traffic900 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US221 over Prathers Creek built?

It was built in 2012, making it 13 years old in 2025.

What condition is US221 over Prathers Creek 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 2024.

How much traffic does US221 over Prathers Creek carry?

About 450 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is US221 over Prathers Creek?

The structure is 127 ft (38.7 m) long with a longest span of 69 ft (21 m) and a deck 33 ft wide.

Who owns US221 over Prathers Creek?

It is owned by the State Highway Agency.