US Bridges

FAP 78 over Lewis Creek

Fair

Dyer County, Tennessee · 0.3 M N JCT SR78&I155 · Structure no. 23SR0780001

Built
1979
46 years old, rebuilt 2004
Condition
Fair
inspected October 2023
Type
Culvert
Concrete Continuous
Length
38 ft
2 main spans
Daily traffic
6,014
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 78 over Lewis Creek is a concrete continuous culvert carrying FAP 78 over Lewis Creek in Dyer County, Tennessee. It was built in 1979 and reconstructed in 2004, so it is 46 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 6,014 vehicles a day, roughly 8% of them trucks, projected to reach 9,424 by 2042. The structure is 38 ft (11.6 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesFAP 78
CrossesLewis Creek
Location0.3 M N JCT SR78&I155
RouteState Highway 78
CountyDyer County
StateTennessee
Coordinates36.0723, -89.397
Functional classUrban Other Principal 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 inspectionOctober 2023
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 rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span15 ft (4.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,014 (2021)
Projected traffic9,424 by 2042
Trucks8%
Lanes on structure4
Traffic directionTwo-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 FAP 78 over Lewis Creek built?

It was built in 1979, making it 46 years old in 2025. It was reconstructed in 2004.

What condition is FAP 78 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 October 2023.

How much traffic does FAP 78 over Lewis Creek carry?

About 6,014 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is FAP 78 over Lewis Creek?

The structure is 38 ft (11.6 m) long with a longest span of 15 ft (4.6 m).

Who owns FAP 78 over Lewis Creek?

It is owned by the State Highway Agency.