US Bridges

US1 Nbl over US64

Fair

Wake County, North Carolina · 0.1 Mi.N. Jct. SR1009 · Structure no. 000000001830663

Built
1993
32 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
324 ft
2 main spans
Daily traffic
53,500
2021 count
Owner
State
State Highway Agency

About this bridge

US1 Nbl over US64 is a steel continuous stringer/multi-beam or girder carrying US1 Nbl over US64 in Wake County, North Carolina. It was built in 1993, so it is 32 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 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 53,500 vehicles a day, roughly 12% of them trucks, projected to reach 107,000 by 2040. The structure is 324 ft (98.7 m) long and 41 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesUS1 Nbl
CrossesUS64
Location0.1 Mi.N. Jct. SR1009
RouteU.S. Route 1
CountyWake County
StateNorth Carolina
Coordinates35.7372, -78.79288
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum 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 rating99 US tons
Inventory rating63.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length324 ft (98.7 m)
Longest span162 ft (49.3 m)
Deck width41 ft (12.5 m)
Roadway width38 ft (11.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic53,500 (2021)
Projected traffic107,000 by 2040
Trucks12%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

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 US1 Nbl over US64 built?

It was built in 1993, making it 32 years old in 2025.

What condition is US1 Nbl 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 August 2023.

How much traffic does US1 Nbl over US64 carry?

About 53,500 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is US1 Nbl over US64?

The structure is 324 ft (98.7 m) long with a longest span of 162 ft (49.3 m) and a deck 41 ft wide.

Who owns US1 Nbl over US64?

It is owned by the State Highway Agency.