US Bridges

FAU 6 over SR 6 Rl / Hart Lane

Good

Davidson County, Tennessee · 1.5 M N JCT SR11&SR65 · Structure no. 19032520007

Built
1977
48 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
155 ft
3 main spans
Daily traffic
37,768
2021 count
Owner
State
State Highway Agency

About this bridge

FAU 6 over SR 6 Rl / Hart Lane is a prestressed concrete continuous stringer/multi-beam or girder carrying FAU 6 over SR 6 Rl / Hart Lane in Davidson County, Tennessee. It was built in 1977, so it is 48 years old, older 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 37,768 vehicles a day, roughly 7% of them trucks, projected to reach 69,067 by 2041. The structure is 155 ft (47.2 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFAU 6
CrossesSR 6 Rl / Hart Lane
Location1.5 M N JCT SR11&SR65
RouteU.S. Route 31
Coordinates36.2181, -86.74752
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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.9 US tons
Inventory rating30.8 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length155 ft (47.2 m)
Longest span70 ft (21.3 m)
Deck width44 ft (13.4 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic37,768 (2021)
Projected traffic69,067 by 2041
Trucks7%
Lanes on structure2
Traffic directionOne-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 FAU 6 over SR 6 Rl / Hart Lane built?

It was built in 1977, making it 48 years old in 2025.

What condition is FAU 6 over SR 6 Rl / Hart Lane 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 March 2023.

How much traffic does FAU 6 over SR 6 Rl / Hart Lane carry?

About 37,768 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is FAU 6 over SR 6 Rl / Hart Lane?

The structure is 155 ft (47.2 m) long with a longest span of 70 ft (21.3 m) and a deck 44 ft wide.

Who owns FAU 6 over SR 6 Rl / Hart Lane?

It is owned by the State Highway Agency.