US Bridges

FAP 43 over South Fork Obion River

Fair

Weakley County, Tennessee · On the Weakley Co. Line · Structure no. 92SR0430001

Built
1995
30 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
513 ft
9 main spans
Daily traffic
7,428
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 43 over South Fork Obion River is a prestressed concrete continuous stringer/multi-beam or girder carrying FAP 43 over South Fork Obion River in Weakley County, Tennessee. It was built in 1995, so it is 30 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 7,428 vehicles a day, roughly 10% of them trucks, projected to reach 11,312 by 2040. The structure is 513 ft (156.4 m) long and 90 ft wide. If it were closed, the detour would be 44.7 mi (72 km).

CarriesFAP 43
CrossesSouth Fork Obion River
LocationOn the Weakley Co. Line
RouteU.S. Route 45
Coordinates36.11739, -88.81077
Functional classRural Principal Arterial - Other

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.5 US tons
Inventory rating34.6 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length513 ft (156.4 m)
Longest span57 ft (17.4 m)
Deck width90 ft (27.4 m)
Roadway width88 ft (26.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,428 (2021)
Projected traffic11,312 by 2040
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed44.7 mi (72 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FAP 43 over South Fork Obion River built?

It was built in 1995, making it 30 years old in 2025.

What condition is FAP 43 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 August 2024.

How much traffic does FAP 43 over South Fork Obion River carry?

About 7,428 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is FAP 43 over South Fork Obion River?

The structure is 513 ft (156.4 m) long with a longest span of 57 ft (17.4 m) and a deck 90 ft wide.

Who owns FAP 43 over South Fork Obion River?

It is owned by the State Highway Agency.