US Bridges

Nfa A286 over Buffalo River Overflow

Fair

Humphreys County, Tennessee · 2 M. S. of I40 · Structure no. 430A2860003

Built
1981
44 years old
Condition
Fair
inspected October 2023
Type
Channel Beam
Concrete
Length
98 ft
3 main spans
Daily traffic
50
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A286 over Buffalo River Overflow is a concrete channel beam carrying Nfa A286 over Buffalo River Overflow in Humphreys County, Tennessee. It was built in 1981, so it is 44 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 50 vehicles a day, roughly 2% of them trucks, projected to reach 80 by 2042. The structure is 98 ft (29.9 m) long and 29 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesNfa A286
CrossesBuffalo River Overflow
Location2 M. S. of I40
RouteCounty Highway 286
CountyHumphreys County
StateTennessee
Coordinates35.86287, -87.82065
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length98 ft (29.9 m)
Longest span32 ft (9.8 m)
Deck width29 ft (8.7 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2020)
Projected traffic80 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A286 over Buffalo River Overflow built?

It was built in 1981, making it 44 years old in 2025.

What condition is Nfa A286 over Buffalo River Overflow 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 A286 over Buffalo River Overflow carry?

About 50 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A286 over Buffalo River Overflow?

The structure is 98 ft (29.9 m) long with a longest span of 32 ft (9.8 m) and a deck 29 ft wide.

Who owns Nfa A286 over Buffalo River Overflow?

It is owned by the County Highway Agency.