US Bridges

FAS 21 over Reelfoot Lake Spillway

Good

Lake County, Tennessee · SR-21 · Structure no. 48SR0210007

Built
2011
14 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
277 ft
3 main spans
Daily traffic
2,448
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 21 over Reelfoot Lake Spillway is a prestressed concrete continuous stringer/multi-beam or girder carrying FAS 21 over Reelfoot Lake Spillway in Lake County, Tennessee. It was built in 2011, so it is 14 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 2,448 vehicles a day, roughly 5% of them trucks, projected to reach 3,648 by 2040. The structure is 277 ft (84.4 m) long and 31 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesFAS 21
CrossesReelfoot Lake Spillway
LocationSR-21
RouteState Highway 21
CountyLake County
StateTennessee
Coordinates36.35292, -89.40977
Functional classRural Minor Arterial

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 protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.2 US tons
Inventory rating42.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length277 ft (84.4 m)
Longest span88 ft (26.7 m)
Deck width31 ft (9.5 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,448 (2021)
Projected traffic3,648 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 21 over Reelfoot Lake Spillway built?

It was built in 2011, making it 14 years old in 2025.

What condition is FAS 21 over Reelfoot Lake Spillway 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 June 2024.

How much traffic does FAS 21 over Reelfoot Lake Spillway carry?

About 2,448 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is FAS 21 over Reelfoot Lake Spillway?

The structure is 277 ft (84.4 m) long with a longest span of 88 ft (26.7 m) and a deck 31 ft wide.

Who owns FAS 21 over Reelfoot Lake Spillway?

It is owned by the State Highway Agency.