US Bridges

FAS 163 347883N over CSX Railroad

Fair

Polk County, Tennessee · Nw.Of Delano & Wetmore · Structure no. 70SR1630001

Built
1957
68 years old
Condition
Fair
inspected April 2024
Type
Tee Beam
Concrete
Length
111 ft
3 main spans
Daily traffic
1,862
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 163 347883N over CSX Railroad is a concrete tee beam carrying FAS 163 347883N over CSX Railroad in Polk County, Tennessee. It was built in 1957, so it is 68 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 1,862 vehicles a day, roughly 5% of them trucks, projected to reach 2,979 by 2042. The structure is 111 ft (33.8 m) long and 34 ft wide. If it were closed, the detour would be 44.7 mi (72 km).

CarriesFAS 163 347883N
CrossesCSX Railroad
LocationNw.Of Delano & Wetmore
RouteState Highway 163
Coordinates35.26427, -84.56043
Functional classRural Major 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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.5 US tons
Inventory rating30.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length111 ft (33.8 m)
Longest span37 ft (11.3 m)
Deck width34 ft (10.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,862 (2021)
Projected traffic2,979 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed44.7 mi (72 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAS 163 347883N over CSX Railroad built?

It was built in 1957, making it 68 years old in 2025.

What condition is FAS 163 347883N 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 2024.

How much traffic does FAS 163 347883N over CSX Railroad carry?

About 1,862 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is FAS 163 347883N over CSX Railroad?

The structure is 111 ft (33.8 m) long with a longest span of 37 ft (11.3 m) and a deck 34 ft wide.

Who owns FAS 163 347883N over CSX Railroad?

It is owned by the State Highway Agency.