US Bridges

FAP 73 731481N over Southern Railway

Good

Loudon County, Tennessee · 1 M W of Lenoir City · Structure no. 53SR0950003

Built
2014
11 years old
Condition
Good
inspected February 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
176 ft
3 main spans
Daily traffic
13,140
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 73 731481N over Southern Railway is a prestressed concrete continuous stringer/multi-beam or girder carrying FAP 73 731481N over Southern Railway in Loudon County, Tennessee. It was built in 2014, so it is 11 years old, younger than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 13,140 vehicles a day, roughly 10% of them trucks, projected to reach 21,024 by 2042. The structure is 176 ft (53.6 m) long and 90 ft wide. If it were closed, the detour would be 39.1 mi (63 km).

CarriesFAP 73 731481N
CrossesSouthern Railway
Location1 M W of Lenoir City
RouteState Highway 73
Coordinates35.79519, -84.25452
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length176 ft (53.6 m)
Longest span72 ft (21.9 m)
Deck width90 ft (27.4 m)
Roadway width85 ft (26 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,140 (2021)
Projected traffic21,024 by 2042
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed39.1 mi (63 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAP 73 731481N over Southern Railway built?

It was built in 2014, making it 11 years old in 2025.

What condition is FAP 73 731481N over Southern Railway in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2025.

How much traffic does FAP 73 731481N over Southern Railway carry?

About 13,140 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is FAP 73 731481N over Southern Railway?

The structure is 176 ft (53.6 m) long with a longest span of 72 ft (21.9 m) and a deck 90 ft wide.

Who owns FAP 73 731481N over Southern Railway?

It is owned by the State Highway Agency.