US Bridges

Nfa A324 over East Fork

FairPosted for load

Sevier County, Tennessee · 1.1 M SE of US411-SR339 J · Structure no. 780A3240001

Built
1875
150 years old, rebuilt 2004
Condition
Fair
inspected June 2023
Type
Truss - Thru
Wood or Timber
Length
95 ft
1 main span
Daily traffic
20
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A324 over East Fork is a wood or timber truss - thru carrying Nfa A324 over East Fork in Sevier County, Tennessee. It was built in 1875 and reconstructed in 2004, so it is 150 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 20 vehicles a day, roughly 2% of them trucks, projected to reach 32 by 2041. The structure is 95 ft (28.9 m) long and 13 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesNfa A324
CrossesEast Fork
Location1.1 M SE of US411-SR339 J
RouteCounty Highway 324
CountySevier County
StateTennessee
Coordinates35.86105, -83.48238
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeTruss - Thru
MaterialWood or Timber
DeckWood or timber
Main spans1 (+1 approach)
Design loadUnknown
Structure length95 ft (28.9 m)
Longest span62 ft (18.8 m)
Deck width13 ft (3.9 m)
Roadway width10 ft (3.2 m)
Vertical clearance over deck8 ft (2.5 m)

Traffic and service

Average daily traffic20 (2020)
Projected traffic32 by 2041
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$113,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A324 over East Fork built?

It was built in 1875, making it 150 years old in 2025. It was reconstructed in 2004.

What condition is Nfa A324 over East Fork 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 A324 over East Fork carry?

About 20 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A324 over East Fork?

The structure is 95 ft (28.9 m) long with a longest span of 62 ft (18.8 m) and a deck 13 ft wide.

Who owns Nfa A324 over East Fork?

It is owned by the County Highway Agency.