US Bridges

FAP 408 (sr 155) over White Bridge Road / I40

Good

Davidson County, Tennessee · Robertson RD W.Nashville · Structure no. 19I00400029

Built
2010
15 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
280 ft
2 main spans
Daily traffic
47,778
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 408 (sr 155) over White Bridge Road / I40 is a steel continuous stringer/multi-beam or girder carrying FAP 408 (sr 155) over White Bridge Road / I40 in Davidson County, Tennessee. It was built in 2010, so it is 15 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 47,778 vehicles a day, roughly 7% of them trucks, projected to reach 81,446 by 2042. The structure is 280 ft (85.2 m) long and 82 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesFAP 408 (sr 155)
CrossesWhite Bridge Road / I40
LocationRobertson RD W.Nashville
RouteState Highway 155
CountyDavidson County
StateTennessee
Coordinates36.15279, -86.85777
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length280 ft (85.2 m)
Longest span143 ft (43.6 m)
Deck width82 ft (25.1 m)
Roadway width71 ft (21.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic47,778 (2021)
Projected traffic81,446 by 2042
Trucks7%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$2.5 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAP 408 (sr 155) over White Bridge Road / I40 built?

It was built in 2010, making it 15 years old in 2025.

What condition is FAP 408 (sr 155) over White Bridge Road / 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 October 2023.

How much traffic does FAP 408 (sr 155) over White Bridge Road / I40 carry?

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

How long is FAP 408 (sr 155) over White Bridge Road / I40?

The structure is 280 ft (85.2 m) long with a longest span of 143 ft (43.6 m) and a deck 82 ft wide.

Who owns FAP 408 (sr 155) over White Bridge Road / I40?

It is owned by the State Highway Agency.