US Bridges

FAU 3966 over Sinking Creek

Fair

Washington County, Tennessee · In Johnson City · Structure no. 90039660001

Built
1985
40 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete Continuous
Length
27 ft
2 main spans
Daily traffic
2,002
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 3966 over Sinking Creek is a concrete continuous culvert carrying FAU 3966 over Sinking Creek in Washington County, Tennessee. It was built in 1985, so it is 40 years old, younger 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 6 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 2,002 vehicles a day, roughly 4% of them trucks, projected to reach 3,203 by 2042. The structure is 27 ft (8.3 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesFAU 3966
CrossesSinking Creek
LocationIn Johnson City
RouteCity Street 3966
CountyWashington County
StateTennessee
Coordinates36.29818, -82.34517
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 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 evaluation6: Equal to present minimum criteria
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 rating67.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length27 ft (8.3 m)
Longest span13 ft (4 m)
Deck width35 ft (10.6 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,002 (2021)
Projected traffic3,203 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FAU 3966 over Sinking Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is FAU 3966 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 3966 over Sinking Creek carry?

About 2,002 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is FAU 3966 over Sinking Creek?

The structure is 27 ft (8.3 m) long with a longest span of 13 ft (4 m) and a deck 35 ft wide.

Who owns FAU 3966 over Sinking Creek?

It is owned by the City or Municipal Highway Agency.