US Bridges

FAS 146 over Pine Creek

Fair

DeKalb County, Tennessee · 2 Mi.Sw.Of Smithville · Structure no. 21SR1460001

Built
1947
78 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete Continuous
Length
26 ft
2 main spans
Daily traffic
3,760
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 146 over Pine Creek is a concrete continuous culvert carrying FAS 146 over Pine Creek in DeKalb County, Tennessee. It was built in 1947, so it is 78 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 3,760 vehicles a day, roughly 5% of them trucks, projected to reach 6,016 by 2042. The structure is 26 ft (7.9 m) long and 46 ft wide. If it were closed, the detour would be 52.2 mi (84 km).

CarriesFAS 146
CrossesPine Creek
Location2 Mi.Sw.Of Smithville
RouteState Highway 146
Coordinates35.9236, -85.85595
Functional classRural Major Collector

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 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 10
Structure length26 ft (7.9 m)
Longest span12 ft (3.7 m)
Deck width46 ft (14.1 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,760 (2021)
Projected traffic6,016 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed52.2 mi (84 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 146 over Pine Creek built?

It was built in 1947, making it 78 years old in 2025.

What condition is FAS 146 over Pine 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 2023.

How much traffic does FAS 146 over Pine Creek carry?

About 3,760 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is FAS 146 over Pine Creek?

The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.7 m) and a deck 46 ft wide.

Who owns FAS 146 over Pine Creek?

It is owned by the State Highway Agency.