US Bridges

NC146 over French Broad River

Good

Buncombe County, North Carolina · .2 MI.W.JCT.I26 · Structure no. 000000000210053

Built
2010
15 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
400 ft
3 main spans
Daily traffic
22,500
2021 count
Owner
State
State Highway Agency

About this bridge

NC146 over French Broad River is a prestressed concrete continuous stringer/multi-beam or girder carrying NC146 over French Broad River in Buncombe 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 22,500 vehicles a day, roughly 6% of them trucks, projected to reach 45,000 by 2040. The structure is 400 ft (121.9 m) long and 111 ft wide. If it were closed, the detour would be 12.4 mi (20 km).

CarriesNC146
CrossesFrench Broad River
Location.2 MI.W.JCT.I26
RouteState Highway 146
Coordinates35.48172, -82.55796
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 inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating31 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3 (+1 approach)
Design loadHS 25 or greater
Structure length400 ft (121.9 m)
Longest span116 ft (35.3 m)
Deck width111 ft (33.8 m)
Roadway width97 ft (29.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,500 (2021)
Projected traffic45,000 by 2040
Trucks6%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed12.4 mi (20 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 NC146 over French Broad River built?

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

What condition is NC146 over French Broad River 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 November 2024.

How much traffic does NC146 over French Broad River carry?

About 22,500 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is NC146 over French Broad River?

The structure is 400 ft (121.9 m) long with a longest span of 116 ft (35.3 m) and a deck 111 ft wide.

Who owns NC146 over French Broad River?

It is owned by the State Highway Agency.