US Bridges

FAP 402 (sr 40) over North Potato Creek

GoodPosted for load

Polk County, Tennessee · 1 Mile East of Ducktown · Structure no. 70SR0400031

Built
1968
57 years old, rebuilt 2019
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
303 ft
3 main spans
Daily traffic
4,700
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 402 (sr 40) over North Potato Creek is a steel continuous stringer/multi-beam or girder carrying FAP 402 (sr 40) over North Potato Creek in Polk County, Tennessee. It was built in 1968 and reconstructed in 2019, so it is 57 years old, older than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for load restriction.

It carries about 4,700 vehicles a day, roughly 10% of them trucks, projected to reach 7,520 by 2042. The structure is 303 ft (92.4 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesFAP 402 (sr 40)
CrossesNorth Potato Creek
Location1 Mile East of Ducktown
RouteU.S. Route 64
CountyPolk County
StateTennessee
Coordinates35.02515, -84.3703
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating30.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length303 ft (92.4 m)
Longest span117 ft (35.7 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,700 (2021)
Projected traffic7,520 by 2042
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FAP 402 (sr 40) over North Potato Creek built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 2019.

What condition is FAP 402 (sr 40) over North Potato Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2024.

How much traffic does FAP 402 (sr 40) over North Potato Creek carry?

About 4,700 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is FAP 402 (sr 40) over North Potato Creek?

The structure is 303 ft (92.4 m) long with a longest span of 117 ft (35.7 m) and a deck 42 ft wide.

Who owns FAP 402 (sr 40) over North Potato Creek?

It is owned by the State Highway Agency.