US Bridges

Nfa A060 over Branch

Fair

Marion County, Tennessee · 2.1 MI NW JCT SR27&SR283 · Structure no. 580A0600001

Built
1940
85 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete
Length
33 ft
1 main span
Daily traffic
670
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A060 over Branch is a concrete slab carrying Nfa A060 over Branch in Marion County, Tennessee. It was built in 1940, so it is 85 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.

It carries about 670 vehicles a day, roughly 2% of them trucks, projected to reach 1,072 by 2040. The structure is 33 ft (10 m) long and 22 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesNfa A060
CrossesBranch
Location2.1 MI NW JCT SR27&SR283
RouteCounty Highway 60
CountyMarion County
StateTennessee
Coordinates35.22156, -85.5037
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length33 ft (10 m)
Longest span33 ft (10 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic670 (2020)
Projected traffic1,072 by 2040
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 statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$145,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A060 over Branch built?

It was built in 1940, making it 85 years old in 2025.

What condition is Nfa A060 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 September 2024.

How much traffic does Nfa A060 over Branch carry?

About 670 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A060 over Branch?

The structure is 33 ft (10 m) long with a longest span of 33 ft (10 m) and a deck 22 ft wide.

Who owns Nfa A060 over Branch?

It is owned by the County Highway Agency.