US Bridges

FAU 449 over Little Pigeon River

Good

Sevier County, Tennessee · Near Williamsburg · Structure no. 78S25330001

Built
1984
41 years old, rebuilt 1995
Condition
Good
inspected August 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
141 ft
3 main spans
Daily traffic
21,502
2021 count
Owner
State
State Highway Agency

About this bridge

FAU 449 over Little Pigeon River is a prestressed concrete box beam or girders - single or spread carrying FAU 449 over Little Pigeon River in Sevier County, Tennessee. It was built in 1984 and reconstructed in 1995, so it is 41 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 21,502 vehicles a day, roughly 9% of them trucks, projected to reach 31,304 by 2041. The structure is 141 ft (43 m) long and 84 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesFAU 449
CrossesLittle Pigeon River
LocationNear Williamsburg
RouteCity Street 449
Coordinates35.7827, -83.54823
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.7 US tons
Inventory rating32.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length141 ft (43 m)
Longest span47 ft (14.4 m)
Deck width84 ft (25.7 m)
Roadway width82 ft (25.1 m)
Vertical clearance over deck15 ft (4.5 m)

Traffic and service

Average daily traffic21,502 (2021)
Projected traffic31,304 by 2041
Trucks9%
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$646,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAU 449 over Little Pigeon River built?

It was built in 1984, making it 41 years old in 2025. It was reconstructed in 1995.

What condition is FAU 449 over Little Pigeon River 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 August 2023.

How much traffic does FAU 449 over Little Pigeon River carry?

About 21,502 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is FAU 449 over Little Pigeon River?

The structure is 141 ft (43 m) long with a longest span of 47 ft (14.4 m) and a deck 84 ft wide.

Who owns FAU 449 over Little Pigeon River?

It is owned by the State Highway Agency.