US Bridges

US321 Bus over US321

Fair

Lincoln County, North Carolina · 0.2 Mi. E. Jct. SR1279 · Structure no. 000000001090267

Built
1991
34 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
179 ft
4 main spans
Daily traffic
16,000
2021 count
Owner
State
State Highway Agency

About this bridge

US321 Bus over US321 is a prestressed concrete stringer/multi-beam or girder carrying US321 Bus over US321 in Lincoln 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 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 16,000 vehicles a day, roughly 6% of them trucks, projected to reach 32,000 by 2040. The structure is 179 ft (54.5 m) long and 79 ft wide.

CarriesUS321 Bus
CrossesUS321
Location0.2 Mi. E. Jct. SR1279
RouteU.S. Route 321
Coordinates35.52824, -81.22283
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.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87 US tons
Inventory rating42 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20 + Mod
Structure length179 ft (54.5 m)
Longest span61 ft (18.5 m)
Deck width79 ft (24.1 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,000 (2021)
Projected traffic32,000 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US321 Bus over US321 built?

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

What condition is US321 Bus over US321 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 March 2024.

How much traffic does US321 Bus over US321 carry?

About 16,000 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is US321 Bus over US321?

The structure is 179 ft (54.5 m) long with a longest span of 61 ft (18.5 m) and a deck 79 ft wide.

Who owns US321 Bus over US321?

It is owned by the State Highway Agency.