US Bridges

FAP 366 over SR 366 Ramp / CSX RR

FairPosted for load

Gibson County, Tennessee · In Humbolt · Structure no. 27SR3660011

Built
1983
42 years old
Condition
Fair
inspected July 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
295 ft
4 main spans
Daily traffic
2,411
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 366 over SR 366 Ramp / CSX RR is a prestressed concrete box beam or girders - single or spread carrying FAP 366 over SR 366 Ramp / CSX RR in Gibson County, Tennessee. It was built in 1983, so it is 42 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. Its operating status is: posted for load restriction.

It carries about 2,411 vehicles a day, roughly 9% of them trucks, projected to reach 3,858 by 2042. The structure is 295 ft (89.9 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesFAP 366
CrossesSR 366 Ramp / CSX RR
LocationIn Humbolt
RouteState Highway 366
CountyGibson County
StateTennessee
Coordinates35.8154, -88.9331
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating52.5 US tons
Inventory rating28.9 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length295 ft (89.9 m)
Longest span87 ft (26.4 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,411 (2021)
Projected traffic3,858 by 2042
Trucks9%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed5 mi (8 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 366 over SR 366 Ramp / CSX RR built?

It was built in 1983, making it 42 years old in 2025.

What condition is FAP 366 over SR 366 Ramp / CSX RR 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 July 2023.

How much traffic does FAP 366 over SR 366 Ramp / CSX RR carry?

About 2,411 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is FAP 366 over SR 366 Ramp / CSX RR?

The structure is 295 ft (89.9 m) long with a longest span of 87 ft (26.4 m) and a deck 32 ft wide.

Who owns FAP 366 over SR 366 Ramp / CSX RR?

It is owned by the State Highway Agency.