US Bridges

Nfa A409 (sa 8409) over Branch

FairPosted for load

Tipton County, Tennessee · 0.5 MI W of Brighton · Structure no. 840A4090001

Built
1976
49 years old
Condition
Fair
inspected March 2024
Type
Channel Beam
Concrete
Length
29 ft
1 main span
Daily traffic
980
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A409 (sa 8409) over Branch is a concrete channel beam carrying Nfa A409 (sa 8409) over Branch in Tipton County, Tennessee. It was built in 1976, so it is 49 years old, older 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 980 vehicles a day, roughly 2% of them trucks, projected to reach 1,568 by 2042. The structure is 29 ft (8.9 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesNfa A409 (sa 8409)
CrossesBranch
Location0.5 MI W of Brighton
RouteCounty Highway 409
CountyTipton County
StateTennessee
Coordinates35.48496, -89.75479
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.4 US tons
Inventory rating24.3 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length29 ft (8.9 m)
Longest span29 ft (8.9 m)
Deck width26 ft (7.8 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic980 (2020)
Projected traffic1,568 by 2042
Trucks2%
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 statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$508,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A409 (sa 8409) over Branch built?

It was built in 1976, making it 49 years old in 2025.

What condition is Nfa A409 (sa 8409) 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 March 2024.

How much traffic does Nfa A409 (sa 8409) over Branch carry?

About 980 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A409 (sa 8409) over Branch?

The structure is 29 ft (8.9 m) long with a longest span of 29 ft (8.9 m) and a deck 26 ft wide.

Who owns Nfa A409 (sa 8409) over Branch?

It is owned by the County Highway Agency.