US Bridges

FAP 408 (sr 155) over 6 Routes

Fair

Davidson County, Tennessee · I-40 Exit 204 · Structure no. 19I00400163

Built
2001
24 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
3,628 ft
8 main spans
Daily traffic
47,778
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 408 (sr 155) over 6 Routes is a steel continuous stringer/multi-beam or girder carrying FAP 408 (sr 155) over 6 Routes in Davidson County, Tennessee. It was built in 2001, so it is 24 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 47,778 vehicles a day, roughly 7% of them trucks, projected to reach 76,445 by 2042. The structure is 3,628 ft (1,105.8 m) long and 43 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesFAP 408 (sr 155)
Crosses6 Routes
LocationI-40 Exit 204
RouteState Highway 155
CountyDavidson County
StateTennessee
Coordinates36.15596, -86.85858
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.8 US tons
Inventory rating36.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans8 (+15 approach)
Design loadHS 20
Structure length3,628 ft (1,105.8 m)
Longest span239 ft (72.7 m)
Deck width43 ft (13.2 m)
Roadway width41 ft (12.6 m)
Vertical clearance over deck16 ft (5 m)

Traffic and service

Average daily traffic47,778 (2021)
Projected traffic76,445 by 2042
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 408 (sr 155) over 6 Routes built?

It was built in 2001, making it 24 years old in 2025.

What condition is FAP 408 (sr 155) over 6 Routes 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 November 2023.

How much traffic does FAP 408 (sr 155) over 6 Routes carry?

About 47,778 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is FAP 408 (sr 155) over 6 Routes?

The structure is 3,628 ft (1,105.8 m) long with a longest span of 239 ft (72.7 m) and a deck 43 ft wide.

Who owns FAP 408 (sr 155) over 6 Routes?

It is owned by the State Highway Agency.