US Bridges

NC42 over Mill Creek

Good

Johnston County, North Carolina · 1.49 Mi. W. Jct. SR1003 · Structure no. 000000001010775

Built
2020
5 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
13,000
2019 count
Owner
State
State Highway Agency

About this bridge

NC42 over Mill Creek is a concrete continuous culvert carrying NC42 over Mill Creek in Johnston County, North Carolina. It was built in 2020, so it is 5 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 13,000 vehicles a day, roughly 6% of them trucks, projected to reach 26,000 by 2040. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesNC42
CrossesMill Creek
Location1.49 Mi. W. Jct. SR1003
RouteState Highway 42
Coordinates35.64994, -78.37124
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.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating76.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHL 93
Structure length25 ft (7.6 m)
Longest span12 ft (3.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,000 (2019)
Projected traffic26,000 by 2040
Trucks6%
Lanes on structure3
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 NC42 over Mill Creek built?

It was built in 2020, making it 5 years old in 2025.

What condition is NC42 over Mill 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 May 2023.

How much traffic does NC42 over Mill Creek carry?

About 13,000 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is NC42 over Mill Creek?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.6 m).

Who owns NC42 over Mill Creek?

It is owned by the State Highway Agency.