US Bridges

FAP 408 (sr 155) over I40

Good

Davidson County, Tennessee · Briley Parkway / I40 · Structure no. 19I00400121

Built
2008
17 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
410 ft
2 main spans
Daily traffic
32,052
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 408 (sr 155) over I40 is a steel continuous stringer/multi-beam or girder carrying FAP 408 (sr 155) over I40 in Davidson County, Tennessee. It was built in 2008, so it is 17 years old, younger than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 32,052 vehicles a day, roughly 8% of them trucks, projected to reach 85,798 by 2042. The structure is 410 ft (125 m) long and 163 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesFAP 408 (sr 155)
CrossesI40
LocationBriley Parkway / I40
RouteState Highway SR155
CountyDavidson County
StateTennessee
Coordinates36.14386, -86.69742
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length410 ft (125 m)
Longest span214 ft (65.1 m)
Deck width163 ft (49.7 m)
Roadway width161 ft (49.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,052 (2021)
Projected traffic85,798 by 2042
Trucks8%
Lanes on structure9
Traffic directionTwo-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 408 (sr 155) over I40 built?

It was built in 2008, making it 17 years old in 2025.

What condition is FAP 408 (sr 155) over I40 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2023.

How much traffic does FAP 408 (sr 155) over I40 carry?

About 32,052 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is FAP 408 (sr 155) over I40?

The structure is 410 ft (125 m) long with a longest span of 214 ft (65.1 m) and a deck 163 ft wide.

Who owns FAP 408 (sr 155) over I40?

It is owned by the State Highway Agency.