US Bridges

NC50 over Black Creek Overflow

Good

Johnston County, North Carolina · 0.6 MI S JCT SR1319 · Structure no. 000000001010061

Built
2001
24 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete Continuous
Length
37 ft
3 main spans
Daily traffic
5,100
2019 count
Owner
State
State Highway Agency

About this bridge

NC50 over Black Creek Overflow is a concrete continuous culvert carrying NC50 over Black Creek Overflow in Johnston County, North Carolina. It was built in 2001, so it is 24 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 5,100 vehicles a day, roughly 8% of them trucks, projected to reach 10,200 by 2040. The structure is 37 ft (11.2 m) long. If it were closed, the detour would be 6.8 mi (11 km).

CarriesNC50
CrossesBlack Creek Overflow
Location0.6 MI S JCT SR1319
RouteState Highway 50
Coordinates35.4604, -78.5523
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.9 US tons
Inventory rating63.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length37 ft (11.2 m)
Longest span11 ft (3.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,100 (2019)
Projected traffic10,200 by 2040
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Black Creek Overflow built?

It was built in 2001, making it 24 years old in 2025.

What condition is NC50 over Black Creek Overflow 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 October 2023.

How much traffic does NC50 over Black Creek Overflow carry?

About 5,100 vehicles per day (2019 count), of which roughly 8% are trucks.

How long is NC50 over Black Creek Overflow?

The structure is 37 ft (11.2 m) long with a longest span of 11 ft (3.3 m).

Who owns NC50 over Black Creek Overflow?

It is owned by the State Highway Agency.