US Bridges

NC42W over I-40

Good

Johnston County, North Carolina · 0.6 MI E JCT SR1010 · Structure no. 000000001010501

Built
2023
2 years old
Condition
Good
inspected May 2023
Type
Slab
Prestressed Concrete
Length
282 ft
2 main spans
Daily traffic
16,250
2021 count
Owner
State
State Highway Agency

About this bridge

NC42W over I-40 is a prestressed concrete slab carrying NC42W over I-40 in Johnston County, North Carolina. It was built in 2023, so it is 2 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 16,250 vehicles a day, roughly 6% of them trucks, projected to reach 32,500 by 2040. The structure is 282 ft (85.9 m) long and 58 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesNC42W
CrossesI-40
Location0.6 MI E JCT SR1010
RouteState Highway 42
Coordinates35.60719, -78.56426
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation9: Superior to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86 US tons
Inventory rating61 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length282 ft (85.9 m)
Longest span138 ft (42 m)
Deck width58 ft (17.6 m)
Roadway width54 ft (16.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,250 (2021)
Projected traffic32,500 by 2040
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was NC42W over I-40 built?

It was built in 2023, making it 2 years old in 2025.

What condition is NC42W over I-40 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 NC42W over I-40 carry?

About 16,250 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is NC42W over I-40?

The structure is 282 ft (85.9 m) long with a longest span of 138 ft (42 m) and a deck 58 ft wide.

Who owns NC42W over I-40?

It is owned by the State Highway Agency.