US Bridges

FAP 2 731494P over Southern Railway

Fair

Loudon County, Tennessee · 2.7 M S of City of Loudon · Structure no. 53SR0020007

Built
1968
57 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
169 ft
3 main spans
Daily traffic
11,676
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 2 731494P over Southern Railway is a prestressed concrete continuous stringer/multi-beam or girder carrying FAP 2 731494P over Southern Railway in Loudon County, Tennessee. It was built in 1968, so it is 57 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 11,676 vehicles a day, roughly 9% of them trucks, projected to reach 18,427 by 2041. The structure is 169 ft (51.4 m) long and 50 ft wide. If it were closed, the detour would be 75.2 mi (121 km).

Location

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CarriesFAP 2 731494P
CrossesSouthern Railway
Location2.7 M S of City of Loudon
RouteU.S. Route 11
CountyLoudon County
StateTennessee
Coordinates35.75633, -84.31918
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2023
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 rating53.6 US tons
Inventory rating31.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length169 ft (51.4 m)
Longest span59 ft (17.9 m)
Deck width50 ft (15.2 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,676 (2021)
Projected traffic18,427 by 2041
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed75.2 mi (121 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.8 million (2021 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAP 2 731494P over Southern Railway built?

It was built in 1968, making it 57 years old in 2025.

What condition is FAP 2 731494P over Southern Railway 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 February 2023.

How much traffic does FAP 2 731494P over Southern Railway carry?

About 11,676 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is FAP 2 731494P over Southern Railway?

The structure is 169 ft (51.4 m) long with a longest span of 59 ft (17.9 m) and a deck 50 ft wide.

Who owns FAP 2 731494P over Southern Railway?

It is owned by the State Highway Agency.