US Bridges

NC581 over US64

Fair

Nash County, North Carolina · 0.3 MI N JCT SR1145 · Structure no. 000000001270145

Built
1977
48 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
274 ft
2 main spans
Daily traffic
5,600
2021 count
Owner
State
State Highway Agency

About this bridge

NC581 over US64 is a steel continuous stringer/multi-beam or girder carrying NC581 over US64 in Nash County, North Carolina. It was built in 1977, so it is 48 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 5,600 vehicles a day, roughly 7% of them trucks, projected to reach 11,200 by 2040. The structure is 274 ft (83.5 m) long and 62 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesNC581
CrossesUS64
Location0.3 MI N JCT SR1145
RouteState Highway 581
Coordinates35.93149, -78.09743
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating62.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length274 ft (83.5 m)
Longest span136 ft (41.4 m)
Deck width62 ft (18.8 m)
Roadway width59 ft (18.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,600 (2021)
Projected traffic11,200 by 2040
Trucks7%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
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 NC581 over US64 built?

It was built in 1977, making it 48 years old in 2025.

What condition is NC581 over US64 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 July 2024.

How much traffic does NC581 over US64 carry?

About 5,600 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is NC581 over US64?

The structure is 274 ft (83.5 m) long with a longest span of 136 ft (41.4 m) and a deck 62 ft wide.

Who owns NC581 over US64?

It is owned by the State Highway Agency.