US Bridges

SR1667 over Little Tennessee River

Fair

Macon County, North Carolina · .15 MI.E.JCT.SR1729 · Structure no. 000000001130012

Built
1979
46 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
211 ft
3 main spans
Daily traffic
5,000
2022 count
Owner
State
State Highway Agency

About this bridge

SR1667 over Little Tennessee River is a prestressed concrete stringer/multi-beam or girder carrying SR1667 over Little Tennessee River in Macon County, North Carolina. It was built in 1979, so it is 46 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 fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 5,000 vehicles a day, roughly 7% of them trucks, projected to reach 10,000 by 2040. The structure is 211 ft (64.3 m) long and 39 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSR1667
CrossesLittle Tennessee River
Location.15 MI.E.JCT.SR1729
RouteState Highway 1667
Coordinates35.17428, -83.37102
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86 US tons
Inventory rating32 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length211 ft (64.3 m)
Longest span68 ft (20.7 m)
Deck width39 ft (11.8 m)
Roadway width36 ft (10.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,000 (2022)
Projected traffic10,000 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 SR1667 over Little Tennessee River built?

It was built in 1979, making it 46 years old in 2025.

What condition is SR1667 over Little Tennessee River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in December 2024.

How much traffic does SR1667 over Little Tennessee River carry?

About 5,000 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is SR1667 over Little Tennessee River?

The structure is 211 ft (64.3 m) long with a longest span of 68 ft (20.7 m) and a deck 39 ft wide.

Who owns SR1667 over Little Tennessee River?

It is owned by the State Highway Agency.