US Bridges

FAS 108 over Piney Creek

GoodPosted for load

Grundy County, Tennessee · In Altamont City Limits · Structure no. 31SR1080013

Built
1929
96 years old, rebuilt 2020
Condition
Good
inspected May 2024
Type
Tee Beam
Concrete
Length
124 ft
3 main spans
Daily traffic
2,280
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 108 over Piney Creek is a concrete tee beam carrying FAS 108 over Piney Creek in Grundy County, Tennessee. It was built in 1929 and reconstructed in 2020, so it is 96 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. Its operating status is: posted for load restriction.

It carries about 2,280 vehicles a day, roughly 6% of them trucks, projected to reach 3,264 by 2040. The structure is 124 ft (37.8 m) long and 28 ft wide. If it were closed, the detour would be 62.8 mi (101 km).

CarriesFAS 108
CrossesPiney Creek
LocationIn Altamont City Limits
RouteState Highway 108
Coordinates35.43272, -85.72947
Functional classRural Minor 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.6 US tons
Inventory rating28.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length124 ft (37.8 m)
Longest span41 ft (12.6 m)
Deck width28 ft (8.6 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,280 (2021)
Projected traffic3,264 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed62.8 mi (101 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$728,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 108 over Piney Creek built?

It was built in 1929, making it 96 years old in 2025. It was reconstructed in 2020.

What condition is FAS 108 over Piney 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 May 2024.

How much traffic does FAS 108 over Piney Creek carry?

About 2,280 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is FAS 108 over Piney Creek?

The structure is 124 ft (37.8 m) long with a longest span of 41 ft (12.6 m) and a deck 28 ft wide.

Who owns FAS 108 over Piney Creek?

It is owned by the State Highway Agency.