US Bridges

FAS 46 over Balthrop Branch

Good

Dickson County, Tennessee · .7 Mi.E.Of Houston County · Structure no. 22003430019

Built
2021
4 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
1,415
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 46 over Balthrop Branch is a concrete culvert carrying FAS 46 over Balthrop Branch in Dickson County, Tennessee. It was built in 2021, so it is 4 years old, younger 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 1,415 vehicles a day, roughly 5% of them trucks, projected to reach 2,264 by 2042. The structure is 29 ft (8.8 m) long and 38 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesFAS 46
CrossesBalthrop Branch
Location.7 Mi.E.Of Houston County
RouteState Highway 46
CountyDickson County
StateTennessee
Coordinates36.20845, -87.53378
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 protection7 GoodSome minor problems.
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
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.7 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length29 ft (8.8 m)
Longest span12 ft (3.7 m)
Deck width38 ft (11.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,415 (2021)
Projected traffic2,264 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 Balthrop Branch built?

It was built in 2021, making it 4 years old in 2025.

What condition is FAS 46 over Balthrop 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 Balthrop Branch carry?

About 1,415 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is FAS 46 over Balthrop Branch?

The structure is 29 ft (8.8 m) long with a longest span of 12 ft (3.7 m) and a deck 38 ft wide.

Who owns FAS 46 over Balthrop Branch?

It is owned by the State Highway Agency.