US Bridges

NC99 over Smith Creek

Good

Beaufort County, North Carolina · 0.7 MI S. of JCT SR1715 · Structure no. 000000000130070

Built
1998
27 years old
Condition
Good
inspected June 2024
Type
Slab
Prestressed Concrete
Length
77 ft
3 main spans
Daily traffic
2,400
2022 count
Owner
State
State Highway Agency

About this bridge

NC99 over Smith Creek is a prestressed concrete slab carrying NC99 over Smith Creek in Beaufort County, North Carolina. It was built in 1998, so it is 27 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 2,400 vehicles a day, roughly 7% of them trucks, projected to reach 4,800 by 2040. The structure is 77 ft (23.4 m) long and 42 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

CarriesNC99
CrossesSmith Creek
Location0.7 MI S. of JCT SR1715
RouteState Highway 99
Coordinates35.50397, -76.67365
Functional classRural Major Collector

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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 rating99 US tons
Inventory rating86 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20 + Mod
Structure length77 ft (23.4 m)
Longest span24 ft (7.3 m)
Deck width42 ft (12.8 m)
Roadway width37 ft (11.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,400 (2022)
Projected traffic4,800 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 km)
TollOn a free road
National Highway SystemNo

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 NC99 over Smith Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is NC99 over Smith 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 June 2024.

How much traffic does NC99 over Smith Creek carry?

About 2,400 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is NC99 over Smith Creek?

The structure is 77 ft (23.4 m) long with a longest span of 24 ft (7.3 m) and a deck 42 ft wide.

Who owns NC99 over Smith Creek?

It is owned by the State Highway Agency.