US Bridges

NC42 over US70 Byp

Good

Johnston County, North Carolina · 2.79M. W. Jct. SR1560 · Structure no. 000000001010581

Built
2008
17 years old
Condition
Good
inspected March 2022
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
239 ft
2 main spans
Daily traffic
19,500
2019 count
Owner
State
State Highway Agency

About this bridge

NC42 over US70 Byp is a steel continuous stringer/multi-beam or girder carrying NC42 over US70 Byp in Johnston County, North Carolina. It was built in 2008, so it is 17 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 19,500 vehicles a day, roughly 6% of them trucks, projected to reach 39,000 by 2040. The structure is 239 ft (72.8 m) long and 74 ft wide.

Location

Open in Google Maps
CarriesNC42
CrossesUS70 Byp
Location2.79M. W. Jct. SR1560
RouteState Highway 42
CountyJohnston County
StateNorth Carolina
Coordinates35.62364, -78.51044
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating93.9 US tons
Inventory rating56 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length239 ft (72.8 m)
Longest span119 ft (36.2 m)
Deck width74 ft (22.5 m)
Roadway width71 ft (21.6 m)
Vertical clearance over deck0 ft (0 m)

Traffic and service

Average daily traffic19,500 (2019)
Projected traffic39,000 by 2040
Trucks6%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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 NC42 over US70 Byp built?

It was built in 2008, making it 17 years old in 2025.

What condition is NC42 over US70 Byp 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 March 2022.

How much traffic does NC42 over US70 Byp carry?

About 19,500 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is NC42 over US70 Byp?

The structure is 239 ft (72.8 m) long with a longest span of 119 ft (36.2 m) and a deck 74 ft wide.

Who owns NC42 over US70 Byp?

It is owned by the State Highway Agency.