US Bridges

US17 over Knobbs Creek

Fair

Pasquotank County, North Carolina · .2MI.N. of JCT.17BUSINESS · Structure no. 000000001390093

Built
1993
32 years old
Condition
Fair
inspected February 2025
Type
Culvert
Concrete
Length
21 ft
4 main spans
Daily traffic
17,000
2019 count
Owner
State
State Highway Agency

About this bridge

US17 over Knobbs Creek is a concrete culvert carrying US17 over Knobbs Creek in Pasquotank 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 5 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 17,000 vehicles a day, roughly 14% of them trucks, projected to reach 34,000 by 2040. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS17
CrossesKnobbs Creek
Location.2MI.N. of JCT.17BUSINESS
RouteU.S. Route 17
Coordinates36.29204, -76.25003
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: 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 rating46 US tons
Inventory rating35.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20 + Mod
Structure length21 ft (6.4 m)
Longest span5 ft (1.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,000 (2019)
Projected traffic34,000 by 2040
Trucks14%
Lanes on structure5
Traffic directionTwo-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 US17 over Knobbs Creek built?

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

What condition is US17 over Knobbs Creek 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 February 2025.

How much traffic does US17 over Knobbs Creek carry?

About 17,000 vehicles per day (2019 count), of which roughly 14% are trucks.

How long is US17 over Knobbs Creek?

The structure is 21 ft (6.4 m) long with a longest span of 5 ft (1.5 m).

Who owns US17 over Knobbs Creek?

It is owned by the State Highway Agency.