US Bridges

US64 over Nantahala River

Poor

Macon County, North Carolina · .2 MI.W.JCT.SR1448 · Structure no. 000000001130023

Built
1965
60 years old
Condition
Poor
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
158 ft
3 main spans
Daily traffic
2,900
2022 count
Owner
State
State Highway Agency

About this bridge

US64 over Nantahala River is a steel stringer/multi-beam or girder carrying US64 over Nantahala River in Macon County, North Carolina. It was built in 1965, so it is 60 years old, older than the North Carolina average of 38.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 2,900 vehicles a day, roughly 8% of them trucks, projected to reach 5,800 by 2040. The structure is 158 ft (48.1 m) long and 33 ft wide. If it were closed, the detour would be 69.6 mi (112 km).

CarriesUS64
CrossesNantahala River
Location.2 MI.W.JCT.SR1448
RouteU.S. Route 64
Coordinates35.09426, -83.56053
Functional classRural Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
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 evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.9 US tons
Inventory rating47 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length158 ft (48.1 m)
Longest span52 ft (15.8 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,900 (2022)
Projected traffic5,800 by 2040
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed69.6 mi (112 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US64 over Nantahala River built?

It was built in 1965, making it 60 years old in 2025.

What condition is US64 over Nantahala River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2024.

How much traffic does US64 over Nantahala River carry?

About 2,900 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is US64 over Nantahala River?

The structure is 158 ft (48.1 m) long with a longest span of 52 ft (15.8 m) and a deck 33 ft wide.

Who owns US64 over Nantahala River?

It is owned by the State Highway Agency.