US Bridges

NC150 over S.Fork Catawba River

Fair

Lincoln County, North Carolina · 0.2 Mi. E. Jct. SR1222 · Structure no. 000000001090035

Built
1955
70 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
371 ft
7 main spans
Daily traffic
11,000
2022 count
Owner
State
State Highway Agency

About this bridge

NC150 over S.Fork Catawba River is a steel stringer/multi-beam or girder carrying NC150 over S.Fork Catawba River 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 11,000 vehicles a day, roughly 12% of them trucks, projected to reach 22,000 by 2040. The structure is 371 ft (113 m) long and 33 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesNC150
CrossesS.Fork Catawba River
Location0.2 Mi. E. Jct. SR1222
RouteState Highway 150
Coordinates35.44604, -81.26343
Functional classUrban Other Principal 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.9 US tons
Inventory rating40.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20 + Mod
Structure length371 ft (113 m)
Longest span69 ft (21 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,000 (2022)
Projected traffic22,000 by 2040
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was NC150 over S.Fork Catawba River built?

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

What condition is NC150 over S.Fork Catawba River 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 February 2025.

How much traffic does NC150 over S.Fork Catawba River carry?

About 11,000 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is NC150 over S.Fork Catawba River?

The structure is 371 ft (113 m) long with a longest span of 69 ft (21 m) and a deck 33 ft wide.

Who owns NC150 over S.Fork Catawba River?

It is owned by the State Highway Agency.