US Bridges

Nfa A540 over Branch

Fair

Henry County, Tennessee · .3 MI E of Weakley CO LN · Structure no. 400A5400001

Built
1979
46 years old
Condition
Fair
inspected October 2023
Type
Channel Beam
Concrete
Length
29 ft
1 main span
Daily traffic
20
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A540 over Branch is a concrete channel beam carrying Nfa A540 over Branch in Henry County, Tennessee. It was built in 1979, so it is 46 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 2% of them trucks, projected to reach 32 by 2042. The structure is 29 ft (8.8 m) long and 15 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesNfa A540
CrossesBranch
Location.3 MI E of Weakley CO LN
RouteCounty Highway 540
Coordinates36.19611, -88.52409
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.6 US tons
Inventory rating29.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length29 ft (8.8 m)
Longest span29 ft (8.8 m)
Deck width15 ft (4.5 m)
Roadway width14 ft (4.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2020)
Projected traffic32 by 2042
Trucks2%
Lanes on structure1
Traffic directionOne-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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$175,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A540 over Branch built?

It was built in 1979, making it 46 years old in 2025.

What condition is Nfa A540 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 October 2023.

How much traffic does Nfa A540 over Branch carry?

About 20 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A540 over Branch?

The structure is 29 ft (8.8 m) long with a longest span of 29 ft (8.8 m) and a deck 15 ft wide.

Who owns Nfa A540 over Branch?

It is owned by the County Highway Agency.