US Bridges

FAS 46 over Pinewood Branch

Fair

Williamson County, Tennessee · 4 Mi. Sw. Leipers Fork · Structure no. 94S61480015

Built
1993
32 years old
Condition
Fair
inspected January 2025
Type
Culvert
Concrete Continuous
Length
47 ft
3 main spans
Daily traffic
1,737
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 46 over Pinewood Branch is a concrete continuous culvert carrying FAS 46 over Pinewood Branch in Williamson County, Tennessee. It was built in 1993, so it is 32 years old, younger 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 1,737 vehicles a day, roughly 7% of them trucks, projected to reach 2,438 by 2041. The structure is 47 ft (14.3 m) long and 37 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesFAS 46
CrossesPinewood Branch
Location4 Mi. Sw. Leipers Fork
RouteState Highway 46
Coordinates35.89393, -87.02782
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.5 US tons
Inventory rating24.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length47 ft (14.3 m)
Longest span10 ft (3 m)
Deck width37 ft (11.3 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,737 (2021)
Projected traffic2,438 by 2041
Trucks7%
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 46 over Pinewood Branch built?

It was built in 1993, making it 32 years old in 2025.

What condition is FAS 46 over Pinewood Branch 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 January 2025.

How much traffic does FAS 46 over Pinewood Branch carry?

About 1,737 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is FAS 46 over Pinewood Branch?

The structure is 47 ft (14.3 m) long with a longest span of 10 ft (3 m) and a deck 37 ft wide.

Who owns FAS 46 over Pinewood Branch?

It is owned by the State Highway Agency.