US Bridges

FAS 46 over Branch

Good

Dickson County, Tennessee · 5.4 Mi.S.Of Houston Co. · Structure no. 22S61430009

Built
1956
69 years old, rebuilt 1977
Condition
Good
inspected April 2024
Type
Culvert
Concrete Continuous
Length
32 ft
2 main spans
Daily traffic
2,536
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 46 over Branch is a concrete continuous culvert carrying FAS 46 over Branch in Dickson County, Tennessee. It was built in 1956 and reconstructed in 1977, 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,536 vehicles a day, roughly 5% of them trucks, projected to reach 4,058 by 2042. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesFAS 46
CrossesBranch
Location5.4 Mi.S.Of Houston Co.
RouteState Highway 46
Coordinates36.15253, -87.50475
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.6 US tons
Inventory rating30.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length32 ft (9.8 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 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 Branch built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1977.

What condition is FAS 46 over Branch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. 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 32 ft (9.8 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.