US Bridges

FAS 89 over South Fork Obion River

Good

Obion County, Tennessee · 1.5 Mi.North of Macedonia · Structure no. 66S80140003

Built
1989
36 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
800 ft
10 main spans
Daily traffic
660
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 89 over South Fork Obion River is a prestressed concrete continuous stringer/multi-beam or girder carrying FAS 89 over South Fork Obion River in Obion County, Tennessee. It was built in 1989, so it is 36 years old, younger 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.

It carries about 660 vehicles a day, roughly 5% of them trucks, projected to reach 1,072 by 2041. The structure is 800 ft (243.8 m) long and 34 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesFAS 89
CrossesSouth Fork Obion River
Location1.5 Mi.North of Macedonia
RouteState Highway 89
Coordinates36.24494, -88.974
Functional classRural Major Collector

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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.5 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans10
Design loadH 15
Structure length800 ft (243.8 m)
Longest span81 ft (24.7 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic660 (2021)
Projected traffic1,072 by 2041
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 89 over South Fork Obion River built?

It was built in 1989, making it 36 years old in 2025.

What condition is FAS 89 over South Fork Obion River 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 March 2023.

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

About 660 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is FAS 89 over South Fork Obion River?

The structure is 800 ft (243.8 m) long with a longest span of 81 ft (24.7 m) and a deck 34 ft wide.

Who owns FAS 89 over South Fork Obion River?

It is owned by the State Highway Agency.