US Bridges

FAS 323 over Sweetwater Creek

Good

Loudon County, Tennessee · In Philadelphia · Structure no. 53S25070009

Built
1975
50 years old
Condition
Good
inspected February 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
138 ft
3 main spans
Daily traffic
2,603
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 323 over Sweetwater Creek is a prestressed concrete stringer/multi-beam or girder carrying FAS 323 over Sweetwater Creek in Loudon County, Tennessee. It was built in 1975, so it is 50 years old, older 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 2,603 vehicles a day, roughly 5% of them trucks, projected to reach 3,621 by 2041. The structure is 138 ft (42.2 m) long and 42 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesFAS 323
CrossesSweetwater Creek
LocationIn Philadelphia
RouteState Highway 323
Coordinates35.68345, -84.40145
Functional classRural Major Collector

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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length138 ft (42.2 m)
Longest span46 ft (14.1 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,603 (2021)
Projected traffic3,621 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 323 over Sweetwater Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is FAS 323 over Sweetwater Creek 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 FAS 323 over Sweetwater Creek carry?

About 2,603 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is FAS 323 over Sweetwater Creek?

The structure is 138 ft (42.2 m) long with a longest span of 46 ft (14.1 m) and a deck 42 ft wide.

Who owns FAS 323 over Sweetwater Creek?

It is owned by the State Highway Agency.