US Bridges

FAS 171 over Suggs Creek

Fair

Wilson County, Tennessee · 1.7 Mi. N. Davidson CO LN · Structure no. 95F00340001

Built
1955
70 years old, rebuilt 1988
Condition
Fair
inspected March 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
168 ft
4 main spans
Daily traffic
19,768
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 171 over Suggs Creek is a prestressed concrete box beam or girders - multiple carrying FAS 171 over Suggs Creek in Wilson County, Tennessee. It was built in 1955 and reconstructed in 1988, so it is 70 years old, older than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 19,768 vehicles a day, roughly 5% of them trucks, projected to reach 32,880 by 2040. The structure is 168 ft (51.2 m) long and 50 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesFAS 171
CrossesSuggs Creek
Location1.7 Mi. N. Davidson CO LN
RouteState Highway SR171
Coordinates36.12978, -86.5194
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.5 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length168 ft (51.2 m)
Longest span42 ft (12.8 m)
Deck width50 ft (15.2 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,768 (2021)
Projected traffic32,880 by 2040
Trucks5%
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 Suggs Creek built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 1988.

What condition is FAS 171 over Suggs Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2024.

How much traffic does FAS 171 over Suggs Creek carry?

About 19,768 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is FAS 171 over Suggs Creek?

The structure is 168 ft (51.2 m) long with a longest span of 42 ft (12.8 m) and a deck 50 ft wide.

Who owns FAS 171 over Suggs Creek?

It is owned by the State Highway Agency.