US Bridges

FAU 3892 over Rt LN / CSX Railroad

Fair

Sullivan County, Tennessee · 0.8 Miles from Kingsport · Structure no. 82038920001

Built
1960
65 years old, rebuilt 2006
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 Rt LN / CSX Railroad is a concrete continuous tee beam carrying FAU 3892 over Rt LN / CSX Railroad in Sullivan County, Tennessee. It was built in 1960 and reconstructed in 2006, 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 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 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
CrossesRt LN / CSX Railroad
Location0.8 Miles from 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
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 span77 ft (23.5 m)
Deck width31 ft (9.5 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 of existing bridge without deck rehabilitation
Estimated improvement cost$863,000 (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

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

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2006.

What condition is FAU 3892 over Rt 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 Rt LN / CSX Railroad carry?

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

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

The structure is 266 ft (81.1 m) long with a longest span of 77 ft (23.5 m) and a deck 31 ft wide.

Who owns FAU 3892 over Rt LN / CSX Railroad?

It is owned by the City or Municipal Highway Agency.