US Bridges

FAP 50 350684P over Tennessee Southern RR

Fair

Maury County, Tennessee · In Columbia · Structure no. 60FA0380001

Built
1978
47 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
120 ft
3 main spans
Daily traffic
19,661
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 50 350684P over Tennessee Southern RR is a prestressed concrete continuous stringer/multi-beam or girder carrying FAP 50 350684P over Tennessee Southern RR in Maury 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 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 19,661 vehicles a day, roughly 4% of them trucks, projected to reach 30,250 by 2041. The structure is 120 ft (36.6 m) long and 78 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesFAP 50 350684P
CrossesTennessee Southern RR
LocationIn Columbia
RouteState Highway 50
Coordinates35.60932, -87.06927
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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.1 US tons
Inventory rating30 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span47 ft (14.3 m)
Deck width78 ft (23.8 m)
Roadway width76 ft (23.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,661 (2021)
Projected traffic30,250 by 2041
Trucks4%
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$2 million (2021 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAP 50 350684P over Tennessee Southern RR built?

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

What condition is FAP 50 350684P over Tennessee Southern RR 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 FAP 50 350684P over Tennessee Southern RR carry?

About 19,661 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is FAP 50 350684P over Tennessee Southern RR?

The structure is 120 ft (36.6 m) long with a longest span of 47 ft (14.3 m) and a deck 78 ft wide.

Who owns FAP 50 350684P over Tennessee Southern RR?

It is owned by the State Highway Agency.