US Bridges

FAU 4739 over Watson Branch

Good

Williamson County, Tennessee · On River Oaks Blvd · Structure no. 94047390001

Built
1989
36 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete Continuous
Length
50 ft
3 main spans
Daily traffic
24,014
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 4739 over Watson Branch is a concrete continuous culvert carrying FAU 4739 over Watson Branch in Williamson County, Tennessee. It was built in 1989, so it is 36 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 24,014 vehicles a day, roughly 4% of them trucks, projected to reach 26,749 by 2041. The structure is 50 ft (15.2 m) long. If it were closed, the detour would be 6.2 mi (10 km).

CarriesFAU 4739
CrossesWatson Branch
LocationOn River Oaks Blvd
RouteCity Street 4739
Coordinates35.90766, -86.83488
Functional classUrban Minor 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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span15 ft (4.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,014 (2021)
Projected traffic26,749 by 2041
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$649,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAU 4739 over Watson Branch built?

It was built in 1989, making it 36 years old in 2025.

What condition is FAU 4739 over Watson 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 July 2023.

How much traffic does FAU 4739 over Watson Branch carry?

About 24,014 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is FAU 4739 over Watson Branch?

The structure is 50 ft (15.2 m) long with a longest span of 15 ft (4.6 m).

Who owns FAU 4739 over Watson Branch?

It is owned by the City or Municipal Highway Agency.