US Bridges

FAU 4846 over Branch

Fair

Davidson County, Tennessee · Pettus Rd@old Hickory Blv · Structure no. 190B3250001

Built
1968
57 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete Continuous
Length
33 ft
2 main spans
Daily traffic
4,500
2021 count
Owner
County
County Highway Agency

About this bridge

FAU 4846 over Branch is a concrete continuous culvert carrying FAU 4846 over Branch in Davidson County, Tennessee. It was built in 1968, so it is 57 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 4,500 vehicles a day, roughly 3% of them trucks, projected to reach 7,520 by 2041. The structure is 33 ft (10.1 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesFAU 4846
CrossesBranch
LocationPettus Rd@old Hickory Blv
RouteCounty Highway 4846
CountyDavidson County
StateTennessee
Coordinates36.00738, -86.66734
Functional classUrban 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 inspectionMay 2023
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 loadH 15
Structure length33 ft (10.1 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,500 (2021)
Projected traffic7,520 by 2041
Trucks3%
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

OwnerCounty Highway Agency
Maintained byCounty 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 FAU 4846 over Branch built?

It was built in 1968, making it 57 years old in 2025.

What condition is FAU 4846 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 May 2023.

How much traffic does FAU 4846 over Branch carry?

About 4,500 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is FAU 4846 over Branch?

The structure is 33 ft (10.1 m) long with a longest span of 13 ft (4 m).

Who owns FAU 4846 over Branch?

It is owned by the County Highway Agency.