US Bridges

US321 Nbl over US321 Bus

Fair

Lincoln County, North Carolina · 3.4 Mi. S. Jct. SR1262 · Structure no. 000000001090269

Built
1992
33 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
141 ft
3 main spans
Daily traffic
15,250
2019 count
Owner
State
State Highway Agency

About this bridge

US321 Nbl over US321 Bus is a prestressed concrete stringer/multi-beam or girder carrying US321 Nbl over US321 Bus in Lincoln County, North Carolina. It was built in 1992, so it is 33 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 6 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 15,250 vehicles a day, roughly 14% of them trucks, projected to reach 28,500 by 2040. The structure is 141 ft (42.9 m) long and 41 ft wide.

CarriesUS321 Nbl
CrossesUS321 Bus
Location3.4 Mi. S. Jct. SR1262
RouteU.S. Route 321
Coordinates35.41571, -81.2107
Functional classRural Principal Arterial - Other

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.
Substructure7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 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 rating98 US tons
Inventory rating48.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length141 ft (42.9 m)
Longest span78 ft (23.7 m)
Deck width41 ft (12.5 m)
Roadway width37 ft (11.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,250 (2019)
Projected traffic28,500 by 2040
Trucks14%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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 US321 Nbl over US321 Bus built?

It was built in 1992, making it 33 years old in 2025.

What condition is US321 Nbl over US321 Bus 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 2024.

How much traffic does US321 Nbl over US321 Bus carry?

About 15,250 vehicles per day (2019 count), of which roughly 14% are trucks.

How long is US321 Nbl over US321 Bus?

The structure is 141 ft (42.9 m) long with a longest span of 78 ft (23.7 m) and a deck 41 ft wide.

Who owns US321 Nbl over US321 Bus?

It is owned by the State Highway Agency.