US Bridges

NC68 US70 over I74

Good

Guilford County, North Carolina · 1.3 Mi. N. Jct. SR1278 · Structure no. 000000000811031

Built
2006
19 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
248 ft
2 main spans
Daily traffic
29,000
2021 count
Owner
State
State Highway Agency

About this bridge

NC68 US70 over I74 is a prestressed concrete continuous stringer/multi-beam or girder carrying NC68 US70 over I74 in Guilford County, North Carolina. It was built in 2006, so it is 19 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 29,000 vehicles a day, roughly 12% of them trucks, projected to reach 58,000 by 2040. The structure is 248 ft (75.5 m) long and 102 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesNC68 US70
CrossesI74
Location1.3 Mi. N. Jct. SR1278
RouteU.S. Route 70
Coordinates36.00188, -79.99191
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85 US tons
Inventory rating45 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20 + Mod
Structure length248 ft (75.5 m)
Longest span78 ft (23.7 m)
Deck width102 ft (31 m)
Roadway width91 ft (27.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,000 (2021)
Projected traffic58,000 by 2040
Trucks12%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed2.5 mi (4 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 NC68 US70 over I74 built?

It was built in 2006, making it 19 years old in 2025.

What condition is NC68 US70 over I74 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 2024.

How much traffic does NC68 US70 over I74 carry?

About 29,000 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is NC68 US70 over I74?

The structure is 248 ft (75.5 m) long with a longest span of 78 ft (23.7 m) and a deck 102 ft wide.

Who owns NC68 US70 over I74?

It is owned by the State Highway Agency.