US Bridges

SR1632 over Little Tennessee River

PoorPosted for load

Macon County, North Carolina · 50 FT.W.JCT.SR1629 · Structure no. 000000001130050

Built
1960
65 years old, rebuilt 1981
Condition
Poor
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
71 ft
3 main spans
Daily traffic
170
2022 count
Owner
State
State Highway Agency

About this bridge

SR1632 over Little Tennessee River is a steel stringer/multi-beam or girder carrying SR1632 over Little Tennessee River in Macon County, North Carolina. It was built in 1960 and reconstructed in 1981, so it is 65 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. Its operating status is: posted for load restriction.

It carries about 170 vehicles a day, roughly 6% of them trucks, projected to reach 340 by 2040. The structure is 71 ft (21.6 m) long and 16 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR1632
CrossesLittle Tennessee River
Location50 FT.W.JCT.SR1629
RouteState Highway 1632
Coordinates35.04419, -83.37658
Functional classRural Local

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.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
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 inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating20.9 US tons
Inventory rating12.9 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans3
Design loadUnknown
Structure length71 ft (21.6 m)
Longest span39 ft (11.8 m)
Deck width16 ft (4.8 m)
Roadway width15 ft (4.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic170 (2022)
Projected traffic340 by 2040
Trucks6%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 SR1632 over Little Tennessee River built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1981.

What condition is SR1632 over Little Tennessee 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 SR1632 over Little Tennessee River carry?

About 170 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is SR1632 over Little Tennessee River?

The structure is 71 ft (21.6 m) long with a longest span of 39 ft (11.8 m) and a deck 16 ft wide.

Who owns SR1632 over Little Tennessee River?

It is owned by the State Highway Agency.