Nfa A417 over Branch

Good

Tipton County, Tennessee · 1 MI N of US51 · Structure no. 840A4170001

Built: 2013; 12 years old
Condition: Good; inspected March 2024
Type: Culvert; Concrete Continuous
Length: 39 ft; 2 main spans
Daily traffic: 80; 2020 count
Owner: County; County Highway Agency

About this bridge

Nfa A417 over Branch is a concrete continuous culvert carrying Nfa A417 over Branch in Tipton County, Tennessee. It was built in 2013, so it is 12 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 80 vehicles a day, roughly 2% of them trucks, projected to reach 128 by 2042. The structure is 39 ft (11.9 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesNfa A417

CrossesBranch

Location1 MI N of US51

RouteCounty Highway 417

CountyTipton County

StateTennessee

Coordinates35.52069, -89.711

Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

Component	Rating	Meaning
Channel and channel protection	6 Satisfactory	Structural elements show some minor deterioration.
Culvert	7 Good	Some minor problems.

Last inspectionMarch 2024

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourFoundations stable; scour within limits of footing or piles

Structural evaluation7: Better than present minimum criteria

Deck geometry6: Equal to present minimum criteria

Waterway adequacy7: Better than present minimum criteria

Approach roadway alignment8: Equal to present desirable criteria

Operating rating48.6 US tons

Inventory rating35.7 US tons

Structure

Structure typeCulvert

MaterialConcrete Continuous

DeckConcrete, cast-in-place

Main spans2

Design loadHL 93

Structure length39 ft (11.9 m)

Longest span19 ft (5.8 m)

Deck width30 ft (9 m)

Roadway width24 ft (7.3 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2020)

Projected traffic128 by 2042

Trucks2%

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

OwnerCounty Highway Agency

Maintained byCounty Highway Agency

Historic statusNot eligible for the National Register of Historic Places

Work proposedNone recorded

Estimated improvement cost—

NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A417 over Branch built?

It was built in 2013, making it 12 years old in 2025.

What condition is Nfa A417 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 A417 over Branch carry?

About 80 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A417 over Branch?

The structure is 39 ft (11.9 m) long with a longest span of 19 ft (5.8 m) and a deck 30 ft wide.

Who owns Nfa A417 over Branch?

It is owned by the County Highway Agency.