US Bridges

NC150 over Relief

Fair

Guilford County, North Carolina · 0.3 Mi. W. Jct. US220 · Structure no. 000000000810036

Built
1968
57 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
160 ft
3 main spans
Daily traffic
7,000
2022 count
Owner
State
State Highway Agency

About this bridge

NC150 over Relief is a steel stringer/multi-beam or girder carrying NC150 over Relief in Guilford County, North Carolina. It was built in 1968, so it is 57 years old, older than the North Carolina average of 38.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 7,000 vehicles a day, roughly 6% of them trucks, projected to reach 14,000 by 2040. The structure is 160 ft (48.7 m) long and 36 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNC150
CrossesRelief
Location0.3 Mi. W. Jct. US220
RouteState Highway 150
Coordinates36.2074, -79.91006
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.9 US tons
Inventory rating40.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length160 ft (48.7 m)
Longest span52 ft (15.8 m)
Deck width36 ft (10.9 m)
Roadway width34 ft (10.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,000 (2022)
Projected traffic14,000 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
Detour if closed5 mi (8 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was NC150 over Relief built?

It was built in 1968, making it 57 years old in 2025.

What condition is NC150 over Relief in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.

How much traffic does NC150 over Relief carry?

About 7,000 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is NC150 over Relief?

The structure is 160 ft (48.7 m) long with a longest span of 52 ft (15.8 m) and a deck 36 ft wide.

Who owns NC150 over Relief?

It is owned by the State Highway Agency.