US Bridges

FAU 168 over SR-168 / SR-1

Fair

Knox County, Tennessee · In Knoxville City Limits · Structure no. 47SR0010035

Built
1962
63 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
115 ft
3 main spans
Daily traffic
10,098
2021 count
Owner
State
State Highway Agency

About this bridge

FAU 168 over SR-168 / SR-1 is a steel stringer/multi-beam or girder carrying FAU 168 over SR-168 / SR-1 in Knox County, Tennessee. It was built in 1962, so it is 63 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 5 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 10,098 vehicles a day, roughly 6% of them trucks, projected to reach 16,157 by 2042. The structure is 115 ft (35.1 m) long and 35 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
CarriesFAU 168
CrossesSR-168 / SR-1
LocationIn Knoxville City Limits
RouteU.S. Route 25
CountyKnox County
StateTennessee
Coordinates36.00185, -83.87465
Functional classUrban Other Principal 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating39.2 US tons
Inventory rating30.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length115 ft (35.1 m)
Longest span57 ft (17.5 m)
Deck width35 ft (10.8 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,098 (2021)
Projected traffic16,157 by 2042
Trucks6%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed14.9 mi (24 km)
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAU 168 over SR-168 / SR-1 built?

It was built in 1962, making it 63 years old in 2025.

What condition is FAU 168 over SR-168 / SR-1 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 February 2024.

How much traffic does FAU 168 over SR-168 / SR-1 carry?

About 10,098 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is FAU 168 over SR-168 / SR-1?

The structure is 115 ft (35.1 m) long with a longest span of 57 ft (17.5 m) and a deck 35 ft wide.

Who owns FAU 168 over SR-168 / SR-1?

It is owned by the State Highway Agency.