US Bridges

FAU 36 243989U over CSX Railroad

Fair

Sullivan County, Tennessee · 4 Mi.Nw. of Washington CO · Structure no. 82SR0360005

Built
1930
95 years old, rebuilt 1975
Condition
Fair
inspected April 2023
Type
Tee Beam
Concrete
Length
135 ft
4 main spans
Daily traffic
17,625
2021 count
Owner
State
State Highway Agency

About this bridge

FAU 36 243989U over CSX Railroad is a concrete tee beam carrying FAU 36 243989U over CSX Railroad in Sullivan County, Tennessee. It was built in 1930 and reconstructed in 1975, 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 17,625 vehicles a day, roughly 6% of them trucks, projected to reach 38,930 by 2041. The structure is 135 ft (41.1 m) long and 58 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesFAU 36 243989U
CrossesCSX Railroad
Location4 Mi.Nw. of Washington CO
RouteU.S. Route 23
Coordinates36.492, -82.50616
Functional classUrban Other Principal 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating28.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length135 ft (41.1 m)
Longest span43 ft (13.1 m)
Deck width58 ft (17.7 m)
Roadway width54 ft (16.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,625 (2021)
Projected traffic38,930 by 2041
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.7 million (2021 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAU 36 243989U over CSX Railroad built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1975.

What condition is FAU 36 243989U over 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 April 2023.

How much traffic does FAU 36 243989U over CSX Railroad carry?

About 17,625 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is FAU 36 243989U over CSX Railroad?

The structure is 135 ft (41.1 m) long with a longest span of 43 ft (13.1 m) and a deck 58 ft wide.

Who owns FAU 36 243989U over CSX Railroad?

It is owned by the State Highway Agency.