US Bridges

Nfa A411 over Branch

Fair

Madison County, Tennessee · 2.2 MI SE JCT SR1&SR138 · Structure no. 570A4110001

Built
2008
17 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete Continuous
Length
39 ft
2 main spans
Daily traffic
20
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A411 over Branch is a concrete continuous culvert carrying Nfa A411 over Branch in Madison County, Tennessee. It was built in 2008, so it is 17 years old, younger 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 6 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 20 vehicles a day, roughly 4% of them trucks, projected to reach 32 by 2041. The structure is 39 ft (12 m) long and 46 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesNfa A411
CrossesBranch
Location2.2 MI SE JCT SR1&SR138
RouteCounty Highway 411
CountyMadison County
StateTennessee
Coordinates35.58233, -89.01617
Functional classRural Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length39 ft (12 m)
Longest span16 ft (4.9 m)
Deck width46 ft (13.9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2020)
Projected traffic32 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 A411 over Branch built?

It was built in 2008, making it 17 years old in 2025.

What condition is Nfa A411 over 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 May 2023.

How much traffic does Nfa A411 over Branch carry?

About 20 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Nfa A411 over Branch?

The structure is 39 ft (12 m) long with a longest span of 16 ft (4.9 m) and a deck 46 ft wide.

Who owns Nfa A411 over Branch?

It is owned by the County Highway Agency.