US Bridges

NC770 over US220

Good

Rockingham County, North Carolina · 1.4 MI W JCT US220BUS · Structure no. 000000001570069

Built
2024
1 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
222 ft
2 main spans
Daily traffic
2,300
2021 count
Owner
State
State Highway Agency

About this bridge

NC770 over US220 is a prestressed concrete stringer/multi-beam or girder carrying NC770 over US220 in Rockingham County, North Carolina. It was built in 2024, so it is 1 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 2,300 vehicles a day, roughly 7% of them trucks, projected to reach 4,600 by 2040. The structure is 222 ft (67.6 m) long and 43 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesNC770
CrossesUS220
Location1.4 MI W JCT US220BUS
RouteState Highway 770
Coordinates36.46736, -79.92653
Functional classRural Major Collector

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.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74 US tons
Inventory rating57 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length222 ft (67.6 m)
Longest span108 ft (32.9 m)
Deck width43 ft (13.2 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,300 (2021)
Projected traffic4,600 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 NC770 over US220 built?

It was built in 2024, making it 1 years old in 2025.

What condition is NC770 over US220 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 June 2024.

How much traffic does NC770 over US220 carry?

About 2,300 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is NC770 over US220?

The structure is 222 ft (67.6 m) long with a longest span of 108 ft (32.9 m) and a deck 43 ft wide.

Who owns NC770 over US220?

It is owned by the State Highway Agency.