US Bridges

FAU 3892 over Lt LN / CSX Railroad

Fair

Sullivan County, Tennessee · In Kingsport · Structure no. 82038920002

Built
1960
65 years old
Condition
Fair
inspected March 2024
Type
Tee Beam
Concrete Continuous
Length
266 ft
4 main spans
Daily traffic
8,233
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 3892 over Lt LN / CSX Railroad is a concrete continuous tee beam carrying FAU 3892 over Lt LN / CSX Railroad in Sullivan County, Tennessee. It was built in 1960, so it is 65 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 8,233 vehicles a day, roughly 4% of them trucks, projected to reach 10,403 by 2042. The structure is 266 ft (81.1 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesFAU 3892
CrossesLt LN / CSX Railroad
LocationIn Kingsport
RouteCity Street 3892
Coordinates36.51793, -82.52997
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
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 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 geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length266 ft (81.1 m)
Longest span76 ft (23.2 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,233 (2021)
Projected traffic10,403 by 2042
Trucks4%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$1 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAU 3892 over Lt LN / CSX Railroad built?

It was built in 1960, making it 65 years old in 2025.

What condition is FAU 3892 over Lt LN / CSX Railroad 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 March 2024.

How much traffic does FAU 3892 over Lt LN / CSX Railroad carry?

About 8,233 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is FAU 3892 over Lt LN / CSX Railroad?

The structure is 266 ft (81.1 m) long with a longest span of 76 ft (23.2 m) and a deck 31 ft wide.

Who owns FAU 3892 over Lt LN / CSX Railroad?

It is owned by the City or Municipal Highway Agency.