NC50 over Swift Creek

Good

Wake County, North Carolina · 0.4 Mi.N.Jct SR2728 · Structure no. 000000001830025

Built: 1998; 27 years old
Condition: Good; inspected April 2023
Type: Stringer/Multi-beam or Girder; Prestressed Concrete Continuous
Length: 215 ft; 3 main spans
Daily traffic: 24,500; 2021 count
Owner: State; State Highway Agency

About this bridge

NC50 over Swift Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying NC50 over Swift Creek in Wake County, North Carolina. It was built in 1998, so it is 27 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 24,500 vehicles a day, roughly 6% of them trucks, projected to reach 49,000 by 2040. The structure is 215 ft (65.5 m) long and 42 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

No coordinates are recorded for this structure.

CarriesNC50

CrossesSwift Creek

Location0.4 Mi.N.Jct SR2728

RouteState Highway 50

CountyWake County

StateNorth Carolina

Functional classUrban Minor Arterial

Condition and inspection

Good

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

Component	Rating	Meaning
Deck	7 Good	Some minor problems.
Superstructure	8 Very Good	No problems noted.
Substructure	7 Good	Some minor problems.
Channel and channel protection	7 Good	Some minor problems.

Last inspectionApril 2023

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourFoundations stable; scour above top of footing

Structural evaluation7: Better than present minimum criteria

Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is

Waterway adequacy8: Equal to present desirable criteria

Approach roadway alignment8: Equal to present desirable criteria

Operating rating81.9 US tons

Inventory rating48.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder

MaterialPrestressed Concrete Continuous

DeckConcrete, cast-in-place

Main spans3

Design loadHS 20 + Mod

Structure length215 ft (65.5 m)

Longest span78 ft (23.7 m)

Deck width42 ft (12.8 m)

Roadway width39 ft (11.8 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,500 (2021)

Projected traffic49,000 by 2040

Trucks6%

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed8.7 mi (14 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 NC50 over Swift Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is NC50 over Swift 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 April 2023.

How much traffic does NC50 over Swift Creek carry?

About 24,500 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is NC50 over Swift Creek?

The structure is 215 ft (65.5 m) long with a longest span of 78 ft (23.7 m) and a deck 42 ft wide.

Who owns NC50 over Swift Creek?

It is owned by the State Highway Agency.