US Bridges

Nfa A046 over Branch

FairPosted for load

Fayette County, Tennessee · 3.0 MI NW JCT SR59&SR · Structure no. 240A0460003

Built
1970
55 years old
Condition
Fair
inspected July 2024
Type
Channel Beam
Concrete
Length
29 ft
1 main span
Daily traffic
30
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A046 over Branch is a concrete channel beam carrying Nfa A046 over Branch in Fayette County, Tennessee. It was built in 1970, so it is 55 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 30 vehicles a day, roughly 5% of them trucks, projected to reach 48 by 2042. The structure is 29 ft (8.8 m) long and 22 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesNfa A046
CrossesBranch
Location3.0 MI NW JCT SR59&SR
RouteCounty Highway 46
Coordinates35.32188, -89.41098
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating45.3 US tons
Inventory rating35.1 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadH 10
Structure length29 ft (8.8 m)
Longest span28 ft (8.5 m)
Deck width22 ft (6.6 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2020)
Projected traffic48 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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$199,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A046 over Branch built?

It was built in 1970, making it 55 years old in 2025.

What condition is Nfa A046 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 July 2024.

How much traffic does Nfa A046 over Branch carry?

About 30 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Nfa A046 over Branch?

The structure is 29 ft (8.8 m) long with a longest span of 28 ft (8.5 m) and a deck 22 ft wide.

Who owns Nfa A046 over Branch?

It is owned by the County Highway Agency.