US Bridges

FAS 246 over Rattlesnake Branch

Fair

Williamson County, Tennessee · 5.69 Mi. N. Maury CO Line · Structure no. 94S62490009

Built
1970
55 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete Continuous
Length
24 ft
2 main spans
Daily traffic
4,861
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 246 over Rattlesnake Branch is a concrete continuous culvert carrying FAS 246 over Rattlesnake Branch in Williamson County, Tennessee. It was built in 1970, so it is 55 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 4,861 vehicles a day, roughly 2% of them trucks, projected to reach 8,528 by 2041. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesFAS 246
CrossesRattlesnake Branch
Location5.69 Mi. N. Maury CO Line
RouteState Highway 246
CountyWilliamson County
StateTennessee
Coordinates35.84625, -86.95937
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 adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.6 US tons
Inventory rating28.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 20
Structure length24 ft (7.3 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 traffic4,861 (2021)
Projected traffic8,528 by 2041
Trucks2%
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 246 over Rattlesnake Branch built?

It was built in 1970, making it 55 years old in 2025.

What condition is FAS 246 over Rattlesnake 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 November 2024.

How much traffic does FAS 246 over Rattlesnake Branch carry?

About 4,861 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is FAS 246 over Rattlesnake Branch?

The structure is 24 ft (7.3 m) long with a longest span of 10 ft (3 m).

Who owns FAS 246 over Rattlesnake Branch?

It is owned by the State Highway Agency.