US Bridges

FAP 21 over Reelfoot Lake Spillway

Fair

Lake County, Tennessee · 0.1 M W of Obion CO LN · Structure no. 48SR0210003

Built
1930
95 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete Continuous
Length
298 ft
22 main spans
Daily traffic
2,448
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 21 over Reelfoot Lake Spillway is a concrete continuous culvert carrying FAP 21 over Reelfoot Lake Spillway in Lake County, Tennessee. It was built in 1930, so it is 95 years old, older 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 2,448 vehicles a day, roughly 5% of them trucks, projected to reach 3,648 by 2040. The structure is 298 ft (90.8 m) long and 46 ft wide. If it were closed, the detour would be 73.9 mi (119 km).

Location

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CarriesFAP 21
CrossesReelfoot Lake Spillway
Location0.1 M W of Obion CO LN
RouteState Highway 21
CountyLake County
StateTennessee
Coordinates36.35231, -89.40575
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans22
Design loadH 15
Structure length298 ft (90.8 m)
Longest span10 ft (3 m)
Deck width46 ft (14.1 m)
Roadway width24 ft (7.3 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 and pedestrian
CrossesWaterway
Detour if closed73.9 mi (119 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$3.8 million (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAP 21 over Reelfoot Lake Spillway built?

It was built in 1930, making it 95 years old in 2025.

What condition is FAP 21 over Reelfoot Lake Spillway 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 May 2024.

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

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

How long is FAP 21 over Reelfoot Lake Spillway?

The structure is 298 ft (90.8 m) long with a longest span of 10 ft (3 m) and a deck 46 ft wide.

Who owns FAP 21 over Reelfoot Lake Spillway?

It is owned by the State Highway Agency.