US Bridges

NC47 over Swearing Creek

Good

Davidson County, North Carolina · 0.1 Mi. W. Jct. SR3100 · Structure no. 000000000570017

Built
2017
8 years old
Condition
Good
inspected February 2024
Type
Slab
Prestressed Concrete
Length
145 ft
2 main spans
Daily traffic
2,000
2022 count
Owner
State
State Highway Agency

About this bridge

NC47 over Swearing Creek is a prestressed concrete slab carrying NC47 over Swearing Creek in Davidson County, North Carolina. It was built in 2017, so it is 8 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,000 vehicles a day, roughly 7% of them trucks, projected to reach 4,000 by 2040. The structure is 145 ft (44.1 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesNC47
CrossesSwearing Creek
Location0.1 Mi. W. Jct. SR3100
RouteState Highway 47
Coordinates35.75547, -80.30603
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating87 US tons
Inventory rating47 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHL 93
Structure length145 ft (44.1 m)
Longest span72 ft (21.9 m)
Deck width43 ft (13.1 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2022)
Projected traffic4,000 by 2040
Trucks7%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was NC47 over Swearing Creek built?

It was built in 2017, making it 8 years old in 2025.

What condition is NC47 over Swearing Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2024.

How much traffic does NC47 over Swearing Creek carry?

About 2,000 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is NC47 over Swearing Creek?

The structure is 145 ft (44.1 m) long with a longest span of 72 ft (21.9 m) and a deck 43 ft wide.

Who owns NC47 over Swearing Creek?

It is owned by the State Highway Agency.