US Bridges

FAU 171 over Savage Branch

Good

Davidson County, Tennessee · 2 Mi.S.W.Of Stones River · Structure no. 19SR1710003

Built
1977
48 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
13,504
2021 count
Owner
State
State Highway Agency

About this bridge

FAU 171 over Savage Branch is a concrete continuous culvert carrying FAU 171 over Savage Branch 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 13,504 vehicles a day, roughly 6% of them trucks, projected to reach 16,550 by 2041. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 14.9 mi (24 km).

CarriesFAU 171
CrossesSavage Branch
Location2 Mi.S.W.Of Stones River
RouteState Highway 171
Coordinates36.06205, -86.59368
Functional classUrban Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.4 US tons
Inventory rating37.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,504 (2021)
Projected traffic16,550 by 2041
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was FAU 171 over Savage Branch built?

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

What condition is FAU 171 over Savage Branch 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 FAU 171 over Savage Branch carry?

About 13,504 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is FAU 171 over Savage Branch?

The structure is 21 ft (6.4 m) long with a longest span of 8 ft (2.4 m).

Who owns FAU 171 over Savage Branch?

It is owned by the State Highway Agency.