US Bridges

NC16 over Six Mile Creek

Good

Union County, North Carolina · 0.4 Mi. N. Jct. SR1346 · Structure no. 000000001790518

Built
2010
15 years old
Condition
Good
inspected September 2024
Type
Slab
Prestressed Concrete
Length
105 ft
3 main spans
Daily traffic
38,500
2022 count
Owner
State
State Highway Agency

About this bridge

NC16 over Six Mile Creek is a prestressed concrete slab carrying NC16 over Six Mile Creek in Union County, North Carolina. It was built in 2010, so it is 15 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 38,500 vehicles a day, roughly 6% of them trucks, projected to reach 77,000 by 2040. The structure is 105 ft (32 m) long and 90 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesNC16
CrossesSix Mile Creek
Location0.4 Mi. N. Jct. SR1346
RouteState Highway 16
Coordinates35.03636, -80.76746
Functional classUrban Minor 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88 US tons
Inventory rating51.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 25 or greater
Structure length105 ft (32 m)
Longest span44 ft (13.4 m)
Deck width90 ft (27.4 m)
Roadway width64 ft (19.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic38,500 (2022)
Projected traffic77,000 by 2040
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 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 NC16 over Six Mile Creek built?

It was built in 2010, making it 15 years old in 2025.

What condition is NC16 over Six Mile 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 September 2024.

How much traffic does NC16 over Six Mile Creek carry?

About 38,500 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is NC16 over Six Mile Creek?

The structure is 105 ft (32 m) long with a longest span of 44 ft (13.4 m) and a deck 90 ft wide.

Who owns NC16 over Six Mile Creek?

It is owned by the State Highway Agency.