US Bridges

FAP 408 (sr 155) over Cumberland River

Fair

Davidson County, Tennessee · 3 M NE I40 · Structure no. 19SR1550029

Built
1985
40 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,074 ft
4 main spans
Daily traffic
42,389
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 408 (sr 155) over Cumberland River is a steel continuous stringer/multi-beam or girder carrying FAP 408 (sr 155) over Cumberland River in Davidson County, Tennessee. It was built in 1985, so it is 40 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 42,389 vehicles a day, roughly 7% of them trucks, projected to reach 67,822 by 2042. The structure is 1,074 ft (327.4 m) long and 90 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesFAP 408 (sr 155)
CrossesCumberland River
Location3 M NE I40
RouteState Highway 155
CountyDavidson County
StateTennessee
Coordinates36.18485, -86.864
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30.3 US tons
Inventory rating23.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length1,074 ft (327.4 m)
Longest span335 ft (102.1 m)
Deck width90 ft (27.4 m)
Roadway width88 ft (26.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic42,389 (2021)
Projected traffic67,822 by 2042
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was FAP 408 (sr 155) over Cumberland River built?

It was built in 1985, making it 40 years old in 2025.

What condition is FAP 408 (sr 155) over Cumberland River 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 April 2023.

How much traffic does FAP 408 (sr 155) over Cumberland River carry?

About 42,389 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is FAP 408 (sr 155) over Cumberland River?

The structure is 1,074 ft (327.4 m) long with a longest span of 335 ft (102.1 m) and a deck 90 ft wide.

Who owns FAP 408 (sr 155) over Cumberland River?

It is owned by the State Highway Agency.