US Bridges

Nfa A601 over Branch

FairPosted for load

Dyer County, Tennessee · 1 MI W of Dyersburg · Structure no. 230A6010001

Built
1965
60 years old
Condition
Fair
inspected October 2023
Type
Channel Beam
Concrete
Length
69 ft
3 main spans
Daily traffic
660
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A601 over Branch is a concrete channel beam carrying Nfa A601 over Branch in Dyer County, Tennessee. It was built in 1965, so it is 60 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 6 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 660 vehicles a day, roughly 4% of them trucks, projected to reach 1,056 by 2042. The structure is 69 ft (21 m) long and 21 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesNfa A601
CrossesBranch
Location1 MI W of Dyersburg
RouteCounty Highway 601
CountyDyer County
StateTennessee
Coordinates36.03303, -89.43754
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.8 US tons
Inventory rating24.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadH 15
Structure length69 ft (21 m)
Longest span31 ft (9.4 m)
Deck width21 ft (6.4 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic660 (2020)
Projected traffic1,056 by 2042
Trucks4%
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$281,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A601 over Branch built?

It was built in 1965, making it 60 years old in 2025.

What condition is Nfa A601 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 A601 over Branch carry?

About 660 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Nfa A601 over Branch?

The structure is 69 ft (21 m) long with a longest span of 31 ft (9.4 m) and a deck 21 ft wide.

Who owns Nfa A601 over Branch?

It is owned by the County Highway Agency.