US Bridges

US17 US158 over Knobbs Creek

Good

Pasquotank County, North Carolina · 0.3 MI N. Jct. US17BUS · Structure no. 000000001390002

Built
2013
12 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
746 ft
12 main spans
Daily traffic
21,000
2022 count
Owner
State
State Highway Agency

About this bridge

US17 US158 over Knobbs Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying US17 US158 over Knobbs Creek in Pasquotank County, North Carolina. It was built in 2013, so it is 12 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 21,000 vehicles a day, roughly 12% of them trucks, projected to reach 42,000 by 2040. The structure is 746 ft (227.3 m) long and 73 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS17 US158
CrossesKnobbs Creek
Location0.3 MI N. Jct. US17BUS
RouteU.S. Route 17
Coordinates36.31569, -76.21764
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating46 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans12
Design loadHL 93
Structure length746 ft (227.3 m)
Longest span62 ft (18.8 m)
Deck width73 ft (22.4 m)
Roadway width60 ft (18.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,000 (2022)
Projected traffic42,000 by 2040
Trucks12%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 US17 US158 over Knobbs Creek built?

It was built in 2013, making it 12 years old in 2025.

What condition is US17 US158 over Knobbs Creek 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 December 2023.

How much traffic does US17 US158 over Knobbs Creek carry?

About 21,000 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is US17 US158 over Knobbs Creek?

The structure is 746 ft (227.3 m) long with a longest span of 62 ft (18.8 m) and a deck 73 ft wide.

Who owns US17 US158 over Knobbs Creek?

It is owned by the State Highway Agency.