US Bridges

FAS 89 over North Fork Obion River

Fair

Weakley County, Tennessee · 2.3 Mi.N.Of Palmersville · Structure no. 92SR0890027

Built
1988
37 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
281 ft
5 main spans
Daily traffic
890
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 89 over North Fork Obion River is a prestressed concrete stringer/multi-beam or girder carrying FAS 89 over North Fork Obion River in Weakley County, Tennessee. It was built in 1988, so it is 37 years old, younger 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 890 vehicles a day, roughly 5% of them trucks, projected to reach 1,104 by 2040. The structure is 281 ft (85.6 m) long and 36 ft wide. If it were closed, the detour would be 39.8 mi (64 km).

CarriesFAS 89
CrossesNorth Fork Obion River
Location2.3 Mi.N.Of Palmersville
RouteState Highway 89
Coordinates36.43575, -88.58253
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to 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 rating71.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans5
Design loadHS 20
Structure length281 ft (85.6 m)
Longest span60 ft (18.3 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic890 (2021)
Projected traffic1,104 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed39.8 mi (64 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 89 over North Fork Obion River built?

It was built in 1988, making it 37 years old in 2025.

What condition is FAS 89 over North 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 September 2024.

How much traffic does FAS 89 over North Fork Obion River carry?

About 890 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is FAS 89 over North Fork Obion River?

The structure is 281 ft (85.6 m) long with a longest span of 60 ft (18.3 m) and a deck 36 ft wide.

Who owns FAS 89 over North Fork Obion River?

It is owned by the State Highway Agency.