US Bridges

US1 Sbl over Neuse River

Fair

Wake County, North Carolina · 0.7MI.N. of Jct. SR2043 · Structure no. 000000001830306

Built
1986
39 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
259 ft
5 main spans
Daily traffic
25,500
2021 count
Owner
State
State Highway Agency

About this bridge

US1 Sbl over Neuse River is a prestressed concrete stringer/multi-beam or girder carrying US1 Sbl over Neuse River in Wake County, North Carolina. It was built in 1986, so it is 39 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 25,500 vehicles a day, roughly 12% of them trucks, projected to reach 51,000 by 2040. The structure is 259 ft (78.9 m) long and 39 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS1 Sbl
CrossesNeuse River
Location0.7MI.N. of Jct. SR2043
RouteU.S. Route 1
Coordinates35.90894, -78.55466
Functional classUrban Other Principal 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.9 US tons
Inventory rating43 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length259 ft (78.9 m)
Longest span51 ft (15.5 m)
Deck width39 ft (11.8 m)
Roadway width36 ft (10.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,500 (2021)
Projected traffic51,000 by 2040
Trucks12%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US1 Sbl over Neuse River built?

It was built in 1986, making it 39 years old in 2025.

What condition is US1 Sbl over Neuse River 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 March 2024.

How much traffic does US1 Sbl over Neuse River carry?

About 25,500 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is US1 Sbl over Neuse River?

The structure is 259 ft (78.9 m) long with a longest span of 51 ft (15.5 m) and a deck 39 ft wide.

Who owns US1 Sbl over Neuse River?

It is owned by the State Highway Agency.