US Bridges

SR1310 over Nantahala River

Poor

Macon County, North Carolina · 1 MI.S.JCT.US19 74 · Structure no. 000000001130228

Built
1950
75 years old, rebuilt 1982
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
106 ft
3 main spans
Daily traffic
750
2022 count
Owner
State
State Highway Agency

About this bridge

SR1310 over Nantahala River is a steel stringer/multi-beam or girder carrying SR1310 over Nantahala River in Macon County, North Carolina. It was built in 1950 and reconstructed in 1982, so it is 75 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 3 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 750 vehicles a day, roughly 7% of them trucks, projected to reach 1,500 by 2040. The structure is 106 ft (32.3 m) long and 22 ft wide. If it were closed, the detour would be 13.7 mi (22 km).

CarriesSR1310
CrossesNantahala River
Location1 MI.S.JCT.US19 74
RouteState Highway 1310
Coordinates35.26771, -83.66901
Functional classRural Major Collector

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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48 US tons
Inventory rating28 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans3
Design loadUnknown
Structure length106 ft (32.3 m)
Longest span35 ft (10.6 m)
Deck width22 ft (6.6 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic750 (2022)
Projected traffic1,500 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13.7 mi (22 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1310 over Nantahala River built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1982.

What condition is SR1310 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 October 2024.

How much traffic does SR1310 over Nantahala River carry?

About 750 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is SR1310 over Nantahala River?

The structure is 106 ft (32.3 m) long with a longest span of 35 ft (10.6 m) and a deck 22 ft wide.

Who owns SR1310 over Nantahala River?

It is owned by the State Highway Agency.