US Bridges

FAS 108 over Big Hickory Creek

Fair

Warren County, Tennessee · 2 MI S of Zion RD · Structure no. 89SR1080003

Built
1939
86 years old, rebuilt 2008
Condition
Fair
inspected February 2023
Type
Tee Beam
Concrete
Length
308 ft
11 main spans
Daily traffic
1,883
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 108 over Big Hickory Creek is a concrete tee beam carrying FAS 108 over Big Hickory Creek in Warren County, Tennessee. It was built in 1939 and reconstructed in 2008, so it is 86 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 6 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 1,883 vehicles a day, roughly 6% of them trucks, projected to reach 2,678 by 2041. The structure is 308 ft (93.9 m) long and 31 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesFAS 108
CrossesBig Hickory Creek
Location2 MI S of Zion RD
RouteState Highway 108
Coordinates35.57645, -85.85033
Functional classRural Minor 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating56.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans11
Design loadHS 20
Structure length308 ft (93.9 m)
Longest span43 ft (13.1 m)
Deck width31 ft (9.6 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,883 (2021)
Projected traffic2,678 by 2041
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 108 over Big Hickory Creek built?

It was built in 1939, making it 86 years old in 2025. It was reconstructed in 2008.

What condition is FAS 108 over Big Hickory Creek 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 FAS 108 over Big Hickory Creek carry?

About 1,883 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is FAS 108 over Big Hickory Creek?

The structure is 308 ft (93.9 m) long with a longest span of 43 ft (13.1 m) and a deck 31 ft wide.

Who owns FAS 108 over Big Hickory Creek?

It is owned by the State Highway Agency.