US Bridges

FAS 21 over Harris Creek

Fair

Lake County, Tennessee · 2 MI S.W. of Tiptpnville · Structure no. 48SR0210005

Built
1969
56 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete
Length
37 ft
4 main spans
Daily traffic
368
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 21 over Harris Creek is a concrete culvert carrying FAS 21 over Harris Creek in Lake County, Tennessee. It was built in 1969, so it is 56 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 368 vehicles a day, roughly 5% of them trucks, projected to reach 592 by 2040. The structure is 37 ft (11.3 m) long and 160 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesFAS 21
CrossesHarris Creek
Location2 MI S.W. of Tiptpnville
RouteState Highway 21
Coordinates36.36744, -89.50491
Functional classRural Major Collector

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 inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadH 15
Structure length37 ft (11.3 m)
Longest span6 ft (1.8 m)
Deck width160 ft (48.8 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic368 (2021)
Projected traffic592 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 Harris Creek built?

It was built in 1969, making it 56 years old in 2025.

What condition is FAS 21 over Harris Creek 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 June 2024.

How much traffic does FAS 21 over Harris Creek carry?

About 368 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is FAS 21 over Harris Creek?

The structure is 37 ft (11.3 m) long with a longest span of 6 ft (1.8 m) and a deck 160 ft wide.

Who owns FAS 21 over Harris Creek?

It is owned by the State Highway Agency.