US Bridges

Nfa A358 over Little Pigeon River

FairPosted for load

Sevier County, Tennessee · .5 M N of US321-PITTMAN C · Structure no. 780A3580001

Built
1970
55 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
87 ft
3 main spans
Daily traffic
150
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa A358 over Little Pigeon River is a steel stringer/multi-beam or girder carrying Nfa A358 over Little Pigeon River in Sevier County, Tennessee. It was built in 1970, so it is 55 years old, older than the Tennessee average of 47.4 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. Its operating status is: posted for load restriction.

It carries about 150 vehicles a day, roughly 2% of them trucks, projected to reach 240 by 2042. The structure is 87 ft (26.5 m) long and 12 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNfa A358
CrossesLittle Pigeon River
Location.5 M N of US321-PITTMAN C
RouteCity Street 358
Coordinates35.74758, -83.4164
Functional classRural Local

Condition and inspection

Fair

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

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.
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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating15 US tons
Inventory rating10.9 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans3
Design loadUnknown
Structure length87 ft (26.5 m)
Longest span41 ft (12.5 m)
Deck width12 ft (3.7 m)
Roadway width11 ft (3.5 m)
Vertical clearance over deck10 ft (3.1 m)

Traffic and service

Average daily traffic150 (2020)
Projected traffic240 by 2042
Trucks2%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A358 over Little Pigeon River built?

It was built in 1970, making it 55 years old in 2025.

What condition is Nfa A358 over Little Pigeon 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 June 2023.

How much traffic does Nfa A358 over Little Pigeon River carry?

About 150 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A358 over Little Pigeon River?

The structure is 87 ft (26.5 m) long with a longest span of 41 ft (12.5 m) and a deck 12 ft wide.

Who owns Nfa A358 over Little Pigeon River?

It is owned by the City or Municipal Highway Agency.