US Bridges

FAP 20 over Tennessee River Overflow

Good

Perry County, Tennessee · .57 M. E. Tenn River · Structure no. 68SR0200021

Built
1986
39 years old
Condition
Good
inspected March 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
106 ft
1 main span
Daily traffic
2,924
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 20 over Tennessee River Overflow is a prestressed concrete box beam or girders - single or spread carrying FAP 20 over Tennessee River Overflow in Perry County, Tennessee. It was built in 1986, so it is 39 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 2,924 vehicles a day, roughly 10% of them trucks, projected to reach 4,291 by 2041. The structure is 106 ft (32.2 m) long and 50 ft wide. If it were closed, the detour would be 70.8 mi (114 km).

CarriesFAP 20
CrossesTennessee River Overflow
Location.57 M. E. Tenn River
RouteState Highway 20
Coordinates35.62494, -88.02438
Functional classRural Principal Arterial - Other

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 protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.6 US tons
Inventory rating29.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length106 ft (32.2 m)
Longest span104 ft (31.7 m)
Deck width50 ft (15.2 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,924 (2021)
Projected traffic4,291 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed70.8 mi (114 km)
TollOn a free road
National Highway SystemYes

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$1.3 million (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAP 20 over Tennessee River Overflow built?

It was built in 1986, making it 39 years old in 2025.

What condition is FAP 20 over Tennessee River Overflow 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 FAP 20 over Tennessee River Overflow carry?

About 2,924 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is FAP 20 over Tennessee River Overflow?

The structure is 106 ft (32.2 m) long with a longest span of 104 ft (31.7 m) and a deck 50 ft wide.

Who owns FAP 20 over Tennessee River Overflow?

It is owned by the State Highway Agency.