US Bridges

NC251 over Flat Creek

Good

Buncombe County, North Carolina · .01 MI.S.JCT.SR1742 · Structure no. 000000000210193

Built
2009
16 years old
Condition
Good
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
82 ft
1 main span
Daily traffic
1,500
2022 count
Owner
State
State Highway Agency

About this bridge

NC251 over Flat Creek is a prestressed concrete box beam or girders - multiple carrying NC251 over Flat Creek in Buncombe County, North Carolina. It was built in 2009, so it is 16 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 1,500 vehicles a day, roughly 8% of them trucks, projected to reach 3,000 by 2040. The structure is 82 ft (24.9 m) long and 39 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesNC251
CrossesFlat Creek
Location.01 MI.S.JCT.SR1742
RouteState Highway 251
Coordinates35.71631, -82.62617
Functional classRural 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 inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating71 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length82 ft (24.9 m)
Longest span81 ft (24.6 m)
Deck width39 ft (11.8 m)
Roadway width36 ft (10.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,500 (2022)
Projected traffic3,000 by 2040
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 NC251 over Flat Creek built?

It was built in 2009, making it 16 years old in 2025.

What condition is NC251 over Flat 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 October 2024.

How much traffic does NC251 over Flat Creek carry?

About 1,500 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is NC251 over Flat Creek?

The structure is 82 ft (24.9 m) long with a longest span of 81 ft (24.6 m) and a deck 39 ft wide.

Who owns NC251 over Flat Creek?

It is owned by the State Highway Agency.