US Bridges

FAU 4921 over Drakes Branch

Fair

Davidson County, Tennessee · In Nashville · Structure no. 190C6020001

Built
1930
95 years old, rebuilt 1965
Condition
Fair
inspected April 2023
Type
Culvert
Concrete Continuous
Length
37 ft
2 main spans
Daily traffic
2,159
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 4921 over Drakes Branch is a concrete continuous culvert carrying FAU 4921 over Drakes Branch in Davidson County, Tennessee. It was built in 1930 and reconstructed in 1965, so it is 95 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 5 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 2,159 vehicles a day, roughly 3% of them trucks, projected to reach 4,496 by 2041. The structure is 37 ft (11.3 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesFAU 4921
CrossesDrakes Branch
LocationIn Nashville
RouteCity Street 4921
Coordinates36.21729, -86.84893
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 protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 15
Structure length37 ft (11.3 m)
Longest span21 ft (6.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,159 (2021)
Projected traffic4,496 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$358,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAU 4921 over Drakes Branch built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1965.

What condition is FAU 4921 over Drakes 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 April 2023.

How much traffic does FAU 4921 over Drakes Branch carry?

About 2,159 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is FAU 4921 over Drakes Branch?

The structure is 37 ft (11.3 m) long with a longest span of 21 ft (6.4 m).

Who owns FAU 4921 over Drakes Branch?

It is owned by the City or Municipal Highway Agency.