US Bridges

FAP 68 over SR 40

Poor

Polk County, Tennessee · .3 Mi.South of Ducktown · Structure no. 70SR0400026

Built
1966
59 years old
Condition
Poor
inspected May 2024
Type
Tee Beam
Concrete Continuous
Length
200 ft
4 main spans
Daily traffic
3,340
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 68 over SR 40 is a concrete continuous tee beam carrying FAP 68 over SR 40 in Polk County, Tennessee. It was built in 1966, so it is 59 years old, older than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 3,340 vehicles a day, roughly 5% of them trucks, projected to reach 5,344 by 2042. The structure is 200 ft (60.9 m) long and 49 ft wide.

Location

Open in Google Maps
CarriesFAP 68
CrossesSR 40
Location.3 Mi.South of Ducktown
RouteState Highway 68
CountyPolk County
StateTennessee
Coordinates35.02979, -84.3806
Functional classRural Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating20.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length200 ft (60.9 m)
Longest span59 ft (18 m)
Deck width49 ft (14.8 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,340 (2021)
Projected traffic5,344 by 2042
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAP 68 over SR 40 built?

It was built in 1966, making it 59 years old in 2025.

What condition is FAP 68 over SR 40 in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2024.

How much traffic does FAP 68 over SR 40 carry?

About 3,340 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is FAP 68 over SR 40?

The structure is 200 ft (60.9 m) long with a longest span of 59 ft (18 m) and a deck 49 ft wide.

Who owns FAP 68 over SR 40?

It is owned by the State Highway Agency.