US Bridges

FAS 424 over Big Sandy River

FairPosted for load

Carroll County, Tennessee · 5.2 MI NW JCT I40&SR114 · Structure no. 09S80370017

Built
1956
69 years old
Condition
Fair
inspected July 2023
Type
Tee Beam
Concrete
Length
101 ft
3 main spans
Daily traffic
562
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 424 over Big Sandy River is a concrete tee beam carrying FAS 424 over Big Sandy River in Carroll County, Tennessee. It was built in 1956, so it is 69 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. Its operating status is: posted for load restriction.

It carries about 562 vehicles a day, roughly 5% of them trucks, projected to reach 1,040 by 2039. The structure is 101 ft (30.8 m) long and 29 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesFAS 424
CrossesBig Sandy River
Location5.2 MI NW JCT I40&SR114
RouteState Highway 424
CountyCarroll County
StateTennessee
Coordinates35.84847, -88.34386
Functional classRural Major Collector

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.6 US tons
Inventory rating20 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length101 ft (30.8 m)
Longest span43 ft (13.1 m)
Deck width29 ft (8.8 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic562 (2021)
Projected traffic1,040 by 2039
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$179,000 (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 424 over Big Sandy River built?

It was built in 1956, making it 69 years old in 2025.

What condition is FAS 424 over Big Sandy River 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 July 2023.

How much traffic does FAS 424 over Big Sandy River carry?

About 562 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is FAS 424 over Big Sandy River?

The structure is 101 ft (30.8 m) long with a longest span of 43 ft (13.1 m) and a deck 29 ft wide.

Who owns FAS 424 over Big Sandy River?

It is owned by the State Highway Agency.