US Bridges

FAU 20 over Lewis Creek

Fair

Dyer County, Tennessee · 4.1 MI SE JCT SR3&SR78 · Structure no. 23SR0200033

Built
1986
39 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
346 ft
5 main spans
Daily traffic
14,181
2021 count
Owner
State
State Highway Agency

About this bridge

FAU 20 over Lewis Creek is a prestressed concrete stringer/multi-beam or girder carrying FAU 20 over Lewis Creek in Dyer 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 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 14,181 vehicles a day, roughly 8% of them trucks, projected to reach 21,331 by 2042. The structure is 346 ft (105.5 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesFAU 20
CrossesLewis Creek
Location4.1 MI SE JCT SR3&SR78
RouteState Highway 20
CountyDyer County
StateTennessee
Coordinates36.01775, -89.34111
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.3 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length346 ft (105.5 m)
Longest span70 ft (21.3 m)
Deck width44 ft (13.4 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,181 (2021)
Projected traffic21,331 by 2042
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FAU 20 over Lewis Creek built?

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

What condition is FAU 20 over Lewis 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 November 2023.

How much traffic does FAU 20 over Lewis Creek carry?

About 14,181 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is FAU 20 over Lewis Creek?

The structure is 346 ft (105.5 m) long with a longest span of 70 ft (21.3 m) and a deck 44 ft wide.

Who owns FAU 20 over Lewis Creek?

It is owned by the State Highway Agency.