US Bridges

US1N over NC98

Good

Wake County, North Carolina · 1.0 Mi. S SR1930 · Structure no. 000000001830314

Built
1994
31 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
155 ft
3 main spans
Daily traffic
48,500
2021 count
Owner
State
State Highway Agency

About this bridge

US1N over NC98 is a prestressed concrete stringer/multi-beam or girder carrying US1N over NC98 in Wake County, North Carolina. It was built in 1994, so it is 31 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 48,500 vehicles a day, roughly 12% of them trucks, projected to reach 97,000 by 2040. The structure is 155 ft (47.2 m) long and 41 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS1N
CrossesNC98
Location1.0 Mi. S SR1930
RouteU.S. Route 1
Coordinates35.97906, -78.53932
Functional classUrban Other Principal 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.
Substructure8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.9 US tons
Inventory rating45 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length155 ft (47.2 m)
Longest span86 ft (26.2 m)
Deck width41 ft (12.4 m)
Roadway width38 ft (11.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic48,500 (2021)
Projected traffic97,000 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
Strategic Highway NetworkNon-Interstate 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 US1N over NC98 built?

It was built in 1994, making it 31 years old in 2025.

What condition is US1N over NC98 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 May 2023.

How much traffic does US1N over NC98 carry?

About 48,500 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is US1N over NC98?

The structure is 155 ft (47.2 m) long with a longest span of 86 ft (26.2 m) and a deck 41 ft wide.

Who owns US1N over NC98?

It is owned by the State Highway Agency.