US Bridges

US21B over Jonesville Creek

Good

Yadkin County, North Carolina · .1 MI.S.JCT.SR1403 · Structure no. 000000001970059

Built
2022
3 years old
Condition
Good
inspected January 2025
Type
Slab
Prestressed Concrete
Length
123 ft
2 main spans
Daily traffic
3,900
2021 count
Owner
State
State Highway Agency

About this bridge

US21B over Jonesville Creek is a prestressed concrete slab carrying US21B over Jonesville Creek in Yadkin County, North Carolina. It was built in 2022, so it is 3 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,900 vehicles a day, roughly 6% of them trucks, projected to reach 7,800 by 2040. The structure is 123 ft (37.4 m) long and 42 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesUS21B
CrossesJonesville Creek
Location.1 MI.S.JCT.SR1403
RouteU.S. Route 21
Coordinates36.2298, -80.83927
Functional classUrban 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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.9 US tons
Inventory rating50.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length123 ft (37.4 m)
Longest span60 ft (18.2 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deck0 ft (0 m)

Traffic and service

Average daily traffic3,900 (2021)
Projected traffic7,800 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 US21B over Jonesville Creek built?

It was built in 2022, making it 3 years old in 2025.

What condition is US21B over Jonesville 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 January 2025.

How much traffic does US21B over Jonesville Creek carry?

About 3,900 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is US21B over Jonesville Creek?

The structure is 123 ft (37.4 m) long with a longest span of 60 ft (18.2 m) and a deck 42 ft wide.

Who owns US21B over Jonesville Creek?

It is owned by the State Highway Agency.