US Bridges

Nfa D460 over Branch

Good

Davidson County, Tennessee · Autumn Ridge Rd@ Brick Ch · Structure no. 190D4620001

Built
1985
40 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
1,030
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa D460 over Branch is a concrete continuous culvert carrying Nfa D460 over Branch in Davidson County, Tennessee. It was built in 1985, so it is 40 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 1,030 vehicles a day, roughly 2% of them trucks, projected to reach 1,648 by 2041. The structure is 23 ft (7 m) long. If it were closed, the detour would be 123.7 mi (199 km).

CarriesNfa D460
CrossesBranch
LocationAutumn Ridge Rd@ Brick Ch
RouteCity Street 462
Coordinates36.28388, -86.78572
Functional classUrban Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating29.7 US tons
Inventory rating17.9 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 traffic1,030 (2020)
Projected traffic1,648 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$274,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa D460 over Branch built?

It was built in 1985, making it 40 years old in 2025.

What condition is Nfa D460 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 July 2023.

How much traffic does Nfa D460 over Branch carry?

About 1,030 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa D460 over Branch?

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

Who owns Nfa D460 over Branch?

It is owned by the City or Municipal Highway Agency.