US Bridges

FAP 408 (sr 155) over SR 155 / SR155 Ramp D

Good

Davidson County, Tennessee · SR155/SR1 · Structure no. 19SR1550069

Built
2008
17 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
456 ft
3 main spans
Daily traffic
32,052
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 408 (sr 155) over SR 155 / SR155 Ramp D is a prestressed concrete continuous stringer/multi-beam or girder carrying FAP 408 (sr 155) over SR 155 / SR155 Ramp D 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 8 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 2041. The structure is 456 ft (139 m) long and 132 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesFAP 408 (sr 155)
CrossesSR 155 / SR155 Ramp D
LocationSR155/SR1
RouteState Highway 155
CountyDavidson County
StateTennessee
Coordinates36.14243, -86.69898
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating94.7 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length456 ft (139 m)
Longest span96 ft (29.4 m)
Deck width132 ft (40.2 m)
Roadway width130 ft (39.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,052 (2021)
Projected traffic85,798 by 2041
Trucks8%
Lanes on structure7
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 SR 155 / SR155 Ramp D built?

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

What condition is FAP 408 (sr 155) over SR 155 / SR155 Ramp D 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 April 2023.

How much traffic does FAP 408 (sr 155) over SR 155 / SR155 Ramp D carry?

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

How long is FAP 408 (sr 155) over SR 155 / SR155 Ramp D?

The structure is 456 ft (139 m) long with a longest span of 96 ft (29.4 m) and a deck 132 ft wide.

Who owns FAP 408 (sr 155) over SR 155 / SR155 Ramp D?

It is owned by the State Highway Agency.