US Bridges

FAP 68 over Turtletown Creek

Fair

Polk County, Tennessee · In Turtletown · Structure no. 70SR0680011

Built
1989
36 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
78 ft
1 main span
Daily traffic
1,234
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 68 over Turtletown Creek is a prestressed concrete stringer/multi-beam or girder carrying FAP 68 over Turtletown Creek in Polk County, Tennessee. It was built in 1989, so it is 36 years old, younger 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 1,234 vehicles a day, roughly 6% of them trucks, projected to reach 2,224 by 2040. The structure is 78 ft (23.8 m) long and 42 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesFAP 68
CrossesTurtletown Creek
LocationIn Turtletown
RouteState Highway 68
Coordinates35.12677, -84.34475
Functional classRural Minor Arterial

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 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 alignment6: Equal to present minimum criteria
Operating rating69.3 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length78 ft (23.8 m)
Longest span78 ft (23.8 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,234 (2021)
Projected traffic2,224 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FAP 68 over Turtletown Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is FAP 68 over Turtletown 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 May 2024.

How much traffic does FAP 68 over Turtletown Creek carry?

About 1,234 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is FAP 68 over Turtletown Creek?

The structure is 78 ft (23.8 m) long with a longest span of 78 ft (23.8 m) and a deck 42 ft wide.

Who owns FAP 68 over Turtletown Creek?

It is owned by the State Highway Agency.