US Bridges

FAS 46 over Poorhouse Creek

Fair

Williamson County, Tennessee · 1.3 M SW JCT SR46&SR96 · Structure no. 94S61480009

Built
1950
75 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete Continuous
Length
40 ft
3 main spans
Daily traffic
3,886
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 46 over Poorhouse Creek is a concrete continuous culvert carrying FAS 46 over Poorhouse Creek in Williamson County, Tennessee. It was built in 1950, so it is 75 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 3,886 vehicles a day, roughly 6% of them trucks, projected to reach 6,384 by 2041. The structure is 40 ft (12.2 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesFAS 46
CrossesPoorhouse Creek
Location1.3 M SW JCT SR46&SR96
RouteState Highway 46
Coordinates35.93422, -86.96471
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating28.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,886 (2021)
Projected traffic6,384 by 2041
Trucks6%
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 46 over Poorhouse Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is FAS 46 over Poorhouse 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 November 2024.

How much traffic does FAS 46 over Poorhouse Creek carry?

About 3,886 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is FAS 46 over Poorhouse Creek?

The structure is 40 ft (12.2 m) long with a longest span of 12 ft (3.7 m).

Who owns FAS 46 over Poorhouse Creek?

It is owned by the State Highway Agency.