US Bridges

Nfa D274 over Branch

Good

Hamilton County, Tennessee · 3 MI South of Tenn River · Structure no. 330Z0090001

Built
1983
42 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
620
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa D274 over Branch is a concrete continuous culvert carrying Nfa D274 over Branch in Hamilton County, Tennessee. It was built in 1983, so it is 42 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 620 vehicles a day, roughly 2% of them trucks, projected to reach 992 by 2040. The structure is 22 ft (6.7 m) long and 38 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNfa D274
CrossesBranch
Location3 MI South of Tenn River
RouteCity Street 274
Coordinates35.08423, -85.18661
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating69.3 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width38 ft (11.7 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic620 (2020)
Projected traffic992 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa D274 over Branch built?

It was built in 1983, making it 42 years old in 2025.

What condition is Nfa D274 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 March 2024.

How much traffic does Nfa D274 over Branch carry?

About 620 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa D274 over Branch?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m) and a deck 38 ft wide.

Who owns Nfa D274 over Branch?

It is owned by the City or Municipal Highway Agency.