US Bridges

FAP 402 347983T over Branch & CSX Railroad

Good

Polk County, Tennessee · .9 Mile West of Ducktown · Structure no. 70SR0400023

Built
2019
6 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
370 ft
3 main spans
Daily traffic
4,252
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 402 347983T over Branch & CSX Railroad is a prestressed concrete continuous stringer/multi-beam or girder carrying FAP 402 347983T over Branch & CSX Railroad in Polk County, Tennessee. It was built in 2019, so it is 6 years old, younger 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.

It carries about 4,252 vehicles a day, roughly 10% of them trucks, projected to reach 6,803 by 2042. The structure is 370 ft (112.8 m) long and 46 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

Location

Open in Google Maps
CarriesFAP 402 347983T
CrossesBranch & CSX Railroad
Location.9 Mile West of Ducktown
RouteU.S. Route 64
CountyPolk County
StateTennessee
Coordinates35.0322, -84.405
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 protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length370 ft (112.8 m)
Longest span130 ft (39.6 m)
Deck width46 ft (13.9 m)
Roadway width43 ft (13 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,252 (2021)
Projected traffic6,803 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad and waterway
Detour if closed49.7 mi (80 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$5.8 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAP 402 347983T over Branch & CSX Railroad built?

It was built in 2019, making it 6 years old in 2025.

What condition is FAP 402 347983T over Branch & CSX Railroad 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 347983T over Branch & CSX Railroad carry?

About 4,252 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is FAP 402 347983T over Branch & CSX Railroad?

The structure is 370 ft (112.8 m) long with a longest span of 130 ft (39.6 m) and a deck 46 ft wide.

Who owns FAP 402 347983T over Branch & CSX Railroad?

It is owned by the State Highway Agency.