US Bridges

FAU 3992 over Sinking Creek

Fair

Washington County, Tennessee · .6 M NW of Carter CO LN · Structure no. 90SR0360001

Built
1930
95 years old, rebuilt 1957
Condition
Fair
inspected May 2024
Type
Tee Beam
Concrete
Length
57 ft
2 main spans
Daily traffic
10,832
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 3992 over Sinking Creek is a concrete tee beam carrying FAU 3992 over Sinking Creek in Washington County, Tennessee. It was built in 1930 and reconstructed in 1957, so it is 95 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 10,832 vehicles a day, roughly 4% of them trucks, projected to reach 17,331 by 2042. The structure is 57 ft (17.4 m) long and 34 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesFAU 3992
CrossesSinking Creek
Location.6 M NW of Carter CO LN
RouteCity Street 3992
CountyWashington County
StateTennessee
Coordinates36.30312, -82.33659
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.6 US tons
Inventory rating25.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length57 ft (17.4 m)
Longest span26 ft (7.9 m)
Deck width34 ft (10.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,832 (2021)
Projected traffic17,331 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAU 3992 over Sinking Creek built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1957.

What condition is FAU 3992 over Sinking 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 3992 over Sinking Creek carry?

About 10,832 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is FAU 3992 over Sinking Creek?

The structure is 57 ft (17.4 m) long with a longest span of 26 ft (7.9 m) and a deck 34 ft wide.

Who owns FAU 3992 over Sinking Creek?

It is owned by the City or Municipal Highway Agency.