US Bridges

FAS 445 over South Fork Obion River

FairPosted for load

Gibson County, Tennessee · 5.6 MI NE JCT SR5&SR105 · Structure no. 27S80080007

Built
1965
60 years old
Condition
Fair
inspected July 2023
Type
Channel Beam
Concrete
Length
169 ft
3 main spans
Daily traffic
322
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 445 over South Fork Obion River is a concrete channel beam carrying FAS 445 over South Fork Obion River in Gibson County, Tennessee. It was built in 1965, so it is 60 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 322 vehicles a day, roughly 4% of them trucks, projected to reach 515 by 2042. The structure is 169 ft (51.5 m) long and 26 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesFAS 445
CrossesSouth Fork Obion River
Location5.6 MI NE JCT SR5&SR105
RouteState Highway 445
CountyGibson County
StateTennessee
Coordinates36.18358, -88.91683
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3 (+4 approach)
Design loadH 15
Structure length169 ft (51.5 m)
Longest span31 ft (9.4 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic322 (2021)
Projected traffic515 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.1 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 445 over South Fork Obion River built?

It was built in 1965, making it 60 years old in 2025.

What condition is FAS 445 over South Fork Obion 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 445 over South Fork Obion River carry?

About 322 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is FAS 445 over South Fork Obion River?

The structure is 169 ft (51.5 m) long with a longest span of 31 ft (9.4 m) and a deck 26 ft wide.

Who owns FAS 445 over South Fork Obion River?

It is owned by the State Highway Agency.