US Bridges

FAP 6 over Branch

Good

Williamson County, Tennessee · 2 M S JCT SR6&SR106 · Structure no. 94SR0060011

Built
1961
64 years old
Condition
Good
inspected January 2025
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
20,986
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 6 over Branch is a concrete continuous culvert carrying FAP 6 over Branch in Williamson County, Tennessee. It was built in 1961, so it is 64 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 20,986 vehicles a day, roughly 9% of them trucks, projected to reach 34,000 by 2041. The structure is 23 ft (7 m) long. If it were closed, the detour would be 19.9 mi (32 km).

CarriesFAP 6
CrossesBranch
Location2 M S JCT SR6&SR106
RouteU.S. Route 31
Coordinates35.89547, -86.87656
Functional classUrban Other Principal Arterial

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 inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.5 US tons
Inventory rating24.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length23 ft (7 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 traffic20,986 (2021)
Projected traffic34,000 by 2041
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 km)
TollOn a free road
National Highway SystemYes

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 FAP 6 over Branch built?

It was built in 1961, making it 64 years old in 2025.

What condition is FAP 6 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 January 2025.

How much traffic does FAP 6 over Branch carry?

About 20,986 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is FAP 6 over Branch?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m).

Who owns FAP 6 over Branch?

It is owned by the State Highway Agency.