US Bridges

FAP 68 over Brush Creek

PoorPosted for load

Polk County, Tennessee · 1 Mi.North of Ducktown · Structure no. 70SR0680013

Built
1943
82 years old, rebuilt 1970
Condition
Poor
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
28 ft
1 main span
Daily traffic
3,340
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 68 over Brush Creek is a steel stringer/multi-beam or girder carrying FAP 68 over Brush Creek in Polk County, Tennessee. It was built in 1943 and reconstructed in 1970, so it is 82 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. Its operating status is: posted for load restriction.

It carries about 3,340 vehicles a day, roughly 5% of them trucks, projected to reach 5,344 by 2042. The structure is 28 ft (8.5 m) long and 34 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesFAP 68
CrossesBrush Creek
Location1 Mi.North of Ducktown
RouteState Highway 68
Coordinates35.0562, -84.39163
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.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating3.2 US tons
Inventory rating2.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length28 ft (8.5 m)
Longest span28 ft (8.5 m)
Deck width34 ft (10.4 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,340 (2021)
Projected traffic5,344 by 2042
Trucks5%
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 statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$625,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAP 68 over Brush Creek built?

It was built in 1943, making it 82 years old in 2025. It was reconstructed in 1970.

What condition is FAP 68 over Brush Creek 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 Brush Creek carry?

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

How long is FAP 68 over Brush Creek?

The structure is 28 ft (8.5 m) long with a longest span of 28 ft (8.5 m) and a deck 34 ft wide.

Who owns FAP 68 over Brush Creek?

It is owned by the State Highway Agency.