US Bridges

US258 NC24 over Blue Creek

Fair

Onslow County, North Carolina · 1.7 MI W. of Jct. US17 · Structure no. 000000001330014

Built
1982
43 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete Continuous
Length
34 ft
3 main spans
Daily traffic
29,000
2022 count
Owner
State
State Highway Agency

About this bridge

US258 NC24 over Blue Creek is a concrete continuous culvert carrying US258 NC24 over Blue Creek in Onslow County, North Carolina. It was built in 1982, so it is 43 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 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 29,000 vehicles a day, roughly 12% of them trucks, projected to reach 58,000 by 2040. The structure is 34 ft (10.3 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesUS258 NC24
CrossesBlue Creek
Location1.7 MI W. of Jct. US17
RouteU.S. Route 258
Coordinates34.75678, -77.47926
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 2024
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 rating99 US tons
Inventory rating77.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length34 ft (10.3 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,000 (2022)
Projected traffic58,000 by 2040
Trucks12%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US258 NC24 over Blue Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is US258 NC24 over Blue 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 2024.

How much traffic does US258 NC24 over Blue Creek carry?

About 29,000 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is US258 NC24 over Blue Creek?

The structure is 34 ft (10.3 m) long with a longest span of 10 ft (3 m).

Who owns US258 NC24 over Blue Creek?

It is owned by the State Highway Agency.