US Bridges

FAU 3774 over Third Creek

Fair

Knox County, Tennessee · In Knoxville · Structure no. 47L37740001

Built
1965
60 years old
Condition
Fair
inspected May 2024
Type
Channel Beam
Concrete
Length
31 ft
2 main spans
Daily traffic
10,389
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 3774 over Third Creek is a concrete channel beam carrying FAU 3774 over Third Creek in Knox County, Tennessee. It was built in 1965, so it is 60 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 10,389 vehicles a day, roughly 3% of them trucks, projected to reach 16,622 by 2042. The structure is 31 ft (9.4 m) long and 36 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesFAU 3774
CrossesThird Creek
LocationIn Knoxville
RouteCity Street 3774
CountyKnox County
StateTennessee
Coordinates35.95138, -83.96848
Functional classUrban Collector

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.
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 statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span14 ft (4.3 m)
Deck width36 ft (11.1 m)
Roadway width35 ft (10.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,389 (2021)
Projected traffic16,622 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$185,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAU 3774 over Third Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is FAU 3774 over Third 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 FAU 3774 over Third Creek carry?

About 10,389 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is FAU 3774 over Third Creek?

The structure is 31 ft (9.4 m) long with a longest span of 14 ft (4.3 m) and a deck 36 ft wide.

Who owns FAU 3774 over Third Creek?

It is owned by the City or Municipal Highway Agency.