US Bridges

NC150 over I-73

Good

Guilford County, North Carolina · 0.2 MI E JCT SR5017 · Structure no. 000000000811156

Built
2016
9 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
185 ft
2 main spans
Daily traffic
7,000
2021 count
Owner
State
State Highway Agency

About this bridge

NC150 over I-73 is a prestressed concrete continuous stringer/multi-beam or girder carrying NC150 over I-73 in Guilford County, North Carolina. It was built in 2016, so it is 9 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 7,000 vehicles a day, roughly 6% of them trucks, projected to reach 14,000 by 2040. The structure is 185 ft (56.3 m) long and 73 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesNC150
CrossesI-73
Location0.2 MI E JCT SR5017
RouteState Highway 150
Coordinates36.203, -79.92742
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 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 rating91.9 US tons
Inventory rating61.9 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length185 ft (56.3 m)
Longest span89 ft (27.1 m)
Deck width73 ft (22.3 m)
Roadway width70 ft (21.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,000 (2021)
Projected traffic14,000 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-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 NC150 over I-73 built?

It was built in 2016, making it 9 years old in 2025.

What condition is NC150 over I-73 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 NC150 over I-73 carry?

About 7,000 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is NC150 over I-73?

The structure is 185 ft (56.3 m) long with a longest span of 89 ft (27.1 m) and a deck 73 ft wide.

Who owns NC150 over I-73?

It is owned by the State Highway Agency.