US Bridges

I73N over NC68

Good

Guilford County, North Carolina · 0.7 Mi. N. Jct. NC68 · Structure no. 000000000811149

Built
2019
6 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
258 ft
2 main spans
Daily traffic
9,750
2020 count
Owner
State
State Highway Agency

About this bridge

I73N over NC68 is a prestressed concrete stringer/multi-beam or girder carrying I73N over NC68 in Guilford County, North Carolina. It was built in 2019, so it is 6 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 9,750 vehicles a day, roughly 16% of them trucks, projected to reach 19,500 by 2040. The structure is 258 ft (78.6 m) long and 65 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesI73N
CrossesNC68
Location0.7 Mi. N. Jct. NC68
RouteInterstate 73
Coordinates36.1336, -79.96536
Functional classUrban Principal Arterial - Interstate

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2023
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 rating94.9 US tons
Inventory rating53.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length258 ft (78.6 m)
Longest span135 ft (41.1 m)
Deck width65 ft (19.8 m)
Roadway width62 ft (18.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,750 (2020)
Projected traffic19,500 by 2040
Trucks16%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I73N over NC68 built?

It was built in 2019, making it 6 years old in 2025.

What condition is I73N over NC68 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 September 2023.

How much traffic does I73N over NC68 carry?

About 9,750 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is I73N over NC68?

The structure is 258 ft (78.6 m) long with a longest span of 135 ft (41.1 m) and a deck 65 ft wide.

Who owns I73N over NC68?

It is owned by the State Highway Agency.