US Bridges

FAS 171 over Branch

Good

Wilson County, Tennessee · .3 M S JCT SR171&SR24 · Structure no. 95S61600003

Built
1938
87 years old, rebuilt 1965
Condition
Good
inspected March 2024
Type
Box Beam or Girders - Multiple
Concrete
Length
29 ft
1 main span
Daily traffic
23,624
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 171 over Branch is a concrete box beam or girders - multiple carrying FAS 171 over Branch in Wilson County, Tennessee. It was built in 1938 and reconstructed in 1965, so it is 87 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 23,624 vehicles a day, roughly 4% of them trucks, projected to reach 38,688 by 2040. The structure is 29 ft (8.7 m) long and 84 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesFAS 171
CrossesBranch
Location.3 M S JCT SR171&SR24
RouteState Highway 171
Coordinates36.22797, -86.51389
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.5 US tons
Inventory rating35.7 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length29 ft (8.7 m)
Longest span29 ft (8.7 m)
Deck width84 ft (25.6 m)
Roadway width82 ft (25 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,624 (2021)
Projected traffic38,688 by 2040
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 FAS 171 over Branch built?

It was built in 1938, making it 87 years old in 2025. It was reconstructed in 1965.

What condition is FAS 171 over 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 March 2024.

How much traffic does FAS 171 over Branch carry?

About 23,624 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is FAS 171 over Branch?

The structure is 29 ft (8.7 m) long with a longest span of 29 ft (8.7 m) and a deck 84 ft wide.

Who owns FAS 171 over Branch?

It is owned by the State Highway Agency.