US Bridges

US321 Bus over NC150

Fair

Lincoln County, North Carolina · 0.07 Mi. N. Jct. SR1250 · Structure no. 000000001090030

Built
1955
70 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
127 ft
3 main spans
Daily traffic
8,700
2021 count
Owner
State
State Highway Agency

About this bridge

US321 Bus over NC150 is a steel stringer/multi-beam or girder carrying US321 Bus over NC150 in Lincoln County, North Carolina. It was built in 1955, so it is 70 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 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 8,700 vehicles a day, roughly 6% of them trucks, projected to reach 17,400 by 2040. The structure is 127 ft (38.7 m) long and 36 ft wide.

Location

Open in Google Maps
CarriesUS321 Bus
CrossesNC150
Location0.07 Mi. N. Jct. SR1250
RouteU.S. Route 321
CountyLincoln County
StateNorth Carolina
Coordinates35.45311, -81.24399
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.9 US tons
Inventory rating30 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length127 ft (38.7 m)
Longest span51 ft (15.5 m)
Deck width36 ft (10.9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,700 (2021)
Projected traffic17,400 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US321 Bus over NC150 built?

It was built in 1955, making it 70 years old in 2025.

What condition is US321 Bus over NC150 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 NC150 carry?

About 8,700 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is US321 Bus over NC150?

The structure is 127 ft (38.7 m) long with a longest span of 51 ft (15.5 m) and a deck 36 ft wide.

Who owns US321 Bus over NC150?

It is owned by the State Highway Agency.