US Bridges

US421B NC115 over SR2333 Yadkin Rvr. So.Rr

Fair

Wilkes County, North Carolina · .1 MI.S.JCT.NC18 · Structure no. 000000001930048

Built
1991
34 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
428 ft
6 main spans
Daily traffic
9,000
2021 count
Owner
State
State Highway Agency

About this bridge

US421B NC115 over SR2333 Yadkin Rvr. So.Rr is a prestressed concrete stringer/multi-beam or girder carrying US421B NC115 over SR2333 Yadkin Rvr. So.Rr in Wilkes County, North Carolina. It was built in 1991, so it is 34 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 fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 9,000 vehicles a day, roughly 6% of them trucks, projected to reach 18,000 by 2040. The structure is 428 ft (130.4 m) long and 60 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesUS421B NC115
CrossesSR2333 Yadkin Rvr. So.Rr
Location.1 MI.S.JCT.NC18
RouteU.S. Route 421
CountyWilkes County
StateNorth Carolina
Coordinates36.16603, -81.13518
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72 US tons
Inventory rating33 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20 + Mod
Structure length428 ft (130.4 m)
Longest span84 ft (25.6 m)
Deck width60 ft (18.2 m)
Roadway width53 ft (16.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,000 (2021)
Projected traffic18,000 by 2040
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway, waterway and railroad
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US421B NC115 over SR2333 Yadkin Rvr. So.Rr built?

It was built in 1991, making it 34 years old in 2025.

What condition is US421B NC115 over SR2333 Yadkin Rvr. So.Rr in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2023.

How much traffic does US421B NC115 over SR2333 Yadkin Rvr. So.Rr carry?

About 9,000 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is US421B NC115 over SR2333 Yadkin Rvr. So.Rr?

The structure is 428 ft (130.4 m) long with a longest span of 84 ft (25.6 m) and a deck 60 ft wide.

Who owns US421B NC115 over SR2333 Yadkin Rvr. So.Rr?

It is owned by the State Highway Agency.