US Bridges

FAP 402 (sr 40) over Burra-Burra Creek

Fair

Polk County, Tennessee · 1 Mile East of Ducktown · Structure no. 70SR0400029

Built
1967
58 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
270 ft
3 main spans
Daily traffic
4,700
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 402 (sr 40) over Burra-Burra Creek is a steel continuous stringer/multi-beam or girder carrying FAP 402 (sr 40) over Burra-Burra Creek in Polk County, Tennessee. It was built in 1967, so it is 58 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 4,700 vehicles a day, roughly 10% of them trucks, projected to reach 7,520 by 2042. The structure is 270 ft (82.3 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)
CrossesBurra-Burra Creek
Location1 Mile East of Ducktown
RouteU.S. Route 64
CountyPolk County
StateTennessee
Coordinates35.02718, -84.37258
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length270 ft (82.3 m)
Longest span98 ft (29.9 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 Burra-Burra Creek built?

It was built in 1967, making it 58 years old in 2025.

What condition is FAP 402 (sr 40) over Burra-Burra Creek 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 April 2024.

How much traffic does FAP 402 (sr 40) over Burra-Burra Creek carry?

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

How long is FAP 402 (sr 40) over Burra-Burra Creek?

The structure is 270 ft (82.3 m) long with a longest span of 98 ft (29.9 m) and a deck 42 ft wide.

Who owns FAP 402 (sr 40) over Burra-Burra Creek?

It is owned by the State Highway Agency.