US Bridges

US17N. over SR1308

Good

Onslow County, North Carolina · 1 Mile North of NC24 · Structure no. 000000001330278

Built
2006
19 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
184 ft
1 main span
Daily traffic
15,750
2022 count
Owner
State
State Highway Agency

About this bridge

US17N. over SR1308 is a steel stringer/multi-beam or girder carrying US17N. over SR1308 in Onslow County, North Carolina. It was built in 2006, so it is 19 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 15,750 vehicles a day, roughly 12% of them trucks, projected to reach 31,500 by 2040. The structure is 184 ft (56 m) long and 46 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS17N.
CrossesSR1308
Location1 Mile North of NC24
RouteU.S. Route 17
Coordinates34.75466, -77.39542
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.9 US tons
Inventory rating48 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length184 ft (56 m)
Longest span181 ft (55.1 m)
Deck width46 ft (14.1 m)
Roadway width43 ft (13.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,750 (2022)
Projected traffic31,500 by 2040
Trucks12%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
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 US17N. over SR1308 built?

It was built in 2006, making it 19 years old in 2025.

What condition is US17N. over SR1308 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 January 2024.

How much traffic does US17N. over SR1308 carry?

About 15,750 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is US17N. over SR1308?

The structure is 184 ft (56 m) long with a longest span of 181 ft (55.1 m) and a deck 46 ft wide.

Who owns US17N. over SR1308?

It is owned by the State Highway Agency.