US Bridges

FAP 66 over SR66 Lt over I-40

Fair

Sevier County, Tennessee · At I40 · Structure no. 78I00400010

Built
1975
50 years old
Condition
Fair
inspected January 2025
Type
Box Beam or Girders - Single or Spread
Concrete Continuous
Length
404 ft
5 main spans
Daily traffic
50,761
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 66 over SR66 Lt over I-40 is a concrete continuous box beam or girders - single or spread carrying FAP 66 over SR66 Lt over I-40 in Sevier County, Tennessee. It was built in 1975, so it is 50 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 50,761 vehicles a day, roughly 6% of them trucks, projected to reach 68,736 by 2041. The structure is 404 ft (123.1 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesFAP 66
CrossesSR66 Lt over I-40
LocationAt I40
RouteState Highway 66
CountySevier County
StateTennessee
Coordinates35.98297, -83.60822
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.9 US tons
Inventory rating44.6 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length404 ft (123.1 m)
Longest span105 ft (32 m)
Deck width44 ft (13.5 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50,761 (2021)
Projected traffic68,736 by 2041
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAP 66 over SR66 Lt over I-40 built?

It was built in 1975, making it 50 years old in 2025.

What condition is FAP 66 over SR66 Lt over I-40 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 January 2025.

How much traffic does FAP 66 over SR66 Lt over I-40 carry?

About 50,761 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is FAP 66 over SR66 Lt over I-40?

The structure is 404 ft (123.1 m) long with a longest span of 105 ft (32 m) and a deck 44 ft wide.

Who owns FAP 66 over SR66 Lt over I-40?

It is owned by the State Highway Agency.