US Bridges

FAS 46 over Branch

Fair

Dickson County, Tennessee · At Jewel Cave Entrance · Structure no. 22003430015

Built
1956
69 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
34 ft
1 main span
Daily traffic
2,536
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 46 over Branch is a concrete culvert carrying FAS 46 over Branch in Dickson County, Tennessee. It was built in 1956, so it is 69 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 2,536 vehicles a day, roughly 5% of them trucks, projected to reach 4,058 by 2042. The structure is 34 ft (10.4 m) long. If it were closed, the detour would be 19.3 mi (31 km).

Location

Open in Google Maps
CarriesFAS 46
CrossesBranch
LocationAt Jewel Cave Entrance
RouteState Highway 46
CountyDickson County
StateTennessee
Coordinates36.16822, -87.52478
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 inspectionApril 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 alignment6: Equal to present minimum criteria
Operating rating53.6 US tons
Inventory rating31.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,536 (2021)
Projected traffic4,058 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.3 mi (31 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 Branch built?

It was built in 1956, making it 69 years old in 2025.

What condition is FAS 46 over 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 April 2024.

How much traffic does FAS 46 over Branch carry?

About 2,536 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is FAS 46 over Branch?

The structure is 34 ft (10.4 m) long with a longest span of 10 ft (3 m).

Who owns FAS 46 over Branch?

It is owned by the State Highway Agency.