US Bridges

US421NBL over SR2325

Good

Wilkes County, North Carolina · 0.3MI.N.JCT.SR2576 · Structure no. 000000001930759

Built
2003
22 years old
Condition
Good
inspected March 2021
Type
Stringer/Multi-beam or Girder
Steel
Length
116 ft
1 main span
Daily traffic
8,500
2012 count
Owner
State
State Highway Agency

About this bridge

US421NBL over SR2325 is a steel stringer/multi-beam or girder carrying US421NBL over SR2325 in Wilkes County, North Carolina. It was built in 2003, so it is 22 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 8,500 vehicles a day, roughly 14% of them trucks, projected to reach 17,000 by 2040. The structure is 116 ft (35.3 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS421NBL
CrossesSR2325
Location0.3MI.N.JCT.SR2576
RouteU.S. Route 421
Coordinates36.15414, -80.99367
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating60 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length116 ft (35.3 m)
Longest span112 ft (34.1 m)
Deck width40 ft (12.2 m)
Roadway width37 ft (11.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,500 (2012)
Projected traffic17,000 by 2040
Trucks14%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US421NBL over SR2325 built?

It was built in 2003, making it 22 years old in 2025.

What condition is US421NBL over SR2325 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 March 2021.

How much traffic does US421NBL over SR2325 carry?

About 8,500 vehicles per day (2012 count), of which roughly 14% are trucks.

How long is US421NBL over SR2325?

The structure is 116 ft (35.3 m) long with a longest span of 112 ft (34.1 m) and a deck 40 ft wide.

Who owns US421NBL over SR2325?

It is owned by the State Highway Agency.