US Bridges

FAP 366 348395N over CSX Railroad / A905&B117

Fair

Gibson County, Tennessee · In Humboldt · Structure no. 27FA0350003

Built
1968
57 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
306 ft
5 main spans
Daily traffic
17,514
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 366 348395N over CSX Railroad / A905&B117 is a prestressed concrete continuous stringer/multi-beam or girder carrying FAP 366 348395N over CSX Railroad / A905&B117 in Gibson County, Tennessee. It was built in 1968, so it is 57 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 17,514 vehicles a day, roughly 9% of them trucks, projected to reach 28,022 by 2042. The structure is 306 ft (93.3 m) long and 96 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesFAP 366 348395N
CrossesCSX Railroad / A905&B117
LocationIn Humboldt
RouteState Highway 366
CountyGibson County
StateTennessee
Coordinates35.83683, -88.90256
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.5 US tons
Inventory rating33.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length306 ft (93.3 m)
Longest span66 ft (20.1 m)
Deck width96 ft (29.3 m)
Roadway width94 ft (28.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,514 (2021)
Projected traffic28,022 by 2042
Trucks9%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
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 348395N over CSX Railroad / A905&B117 built?

It was built in 1968, making it 57 years old in 2025.

What condition is FAP 366 348395N over CSX Railroad / A905&B117 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 348395N over CSX Railroad / A905&B117 carry?

About 17,514 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is FAP 366 348395N over CSX Railroad / A905&B117?

The structure is 306 ft (93.3 m) long with a longest span of 66 ft (20.1 m) and a deck 96 ft wide.

Who owns FAP 366 348395N over CSX Railroad / A905&B117?

It is owned by the State Highway Agency.