US Bridges

FAU 3985 over Little Limestone Creek

Fair

Washington County, Tennessee · In Johnson City · Structure no. 900B0080001

Built
1978
47 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete
Length
36 ft
1 main span
Daily traffic
1,359
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 3985 over Little Limestone Creek is a concrete slab carrying FAU 3985 over Little Limestone Creek in Washington County, Tennessee. It was built in 1978, so it is 47 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 1,359 vehicles a day, roughly 3% of them trucks, projected to reach 2,174 by 2042. The structure is 36 ft (10.9 m) long and 36 ft wide.

CarriesFAU 3985
CrossesLittle Limestone Creek
LocationIn Johnson City
RouteCity Street 3985
Coordinates36.29227, -82.47573
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.3 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length36 ft (10.9 m)
Longest span26 ft (7.9 m)
Deck width36 ft (11 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,359 (2021)
Projected traffic2,174 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
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$184,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAU 3985 over Little Limestone Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is FAU 3985 over Little Limestone 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 3985 over Little Limestone Creek carry?

About 1,359 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is FAU 3985 over Little Limestone Creek?

The structure is 36 ft (10.9 m) long with a longest span of 26 ft (7.9 m) and a deck 36 ft wide.

Who owns FAU 3985 over Little Limestone Creek?

It is owned by the City or Municipal Highway Agency.