US Bridges

SR2340 over US421

FairPosted for load

Wilkes County, North Carolina · 0.6 MI.N.JCT.SR2418 · Structure no. 000000001930094

Built
1966
59 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
198 ft
4 main spans
Daily traffic
420
2022 count
Owner
State
State Highway Agency

About this bridge

SR2340 over US421 is a steel stringer/multi-beam or girder carrying SR2340 over US421 in Wilkes County, North Carolina. It was built in 1966, so it is 59 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 420 vehicles a day, roughly 7% of them trucks, projected to reach 840 by 2040. The structure is 198 ft (60.3 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesSR2340
CrossesUS421
Location0.6 MI.N.JCT.SR2418
RouteState Highway 2340
CountyWilkes County
StateNorth Carolina
Coordinates36.14104, -81.07011
Functional classUrban Local

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.9 US tons
Inventory rating22.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length198 ft (60.3 m)
Longest span55 ft (16.7 m)
Deck width28 ft (8.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic420 (2022)
Projected traffic840 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR2340 over US421 built?

It was built in 1966, making it 59 years old in 2025.

What condition is SR2340 over US421 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 December 2024.

How much traffic does SR2340 over US421 carry?

About 420 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is SR2340 over US421?

The structure is 198 ft (60.3 m) long with a longest span of 55 ft (16.7 m) and a deck 28 ft wide.

Who owns SR2340 over US421?

It is owned by the State Highway Agency.