US Bridges

Nfa A070 over Buffalo River

Fair

Lewis County, Tennessee · 8 M. Se. Hohenwald. · Structure no. 510A0700001

Built
2015
10 years old
Condition
Fair
inspected May 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
150 ft
3 main spans
Daily traffic
280
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A070 over Buffalo River is a prestressed concrete continuous box beam or girders - single or spread carrying Nfa A070 over Buffalo River in Lewis County, Tennessee. It was built in 2015, so it is 10 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 280 vehicles a day, roughly 17% of them trucks, projected to reach 448 by 2042. The structure is 150 ft (45.7 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNfa A070
CrossesBuffalo River
Location8 M. Se. Hohenwald.
RouteCounty Highway 70
CountyLewis County
StateTennessee
Coordinates35.46556, -87.46555
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 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
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length150 ft (45.7 m)
Longest span60 ft (18.3 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic280 (2020)
Projected traffic448 by 2042
Trucks17%
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 A070 over Buffalo River built?

It was built in 2015, making it 10 years old in 2025.

What condition is Nfa A070 over Buffalo River 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 May 2023.

How much traffic does Nfa A070 over Buffalo River carry?

About 280 vehicles per day (2020 count), of which roughly 17% are trucks.

How long is Nfa A070 over Buffalo River?

The structure is 150 ft (45.7 m) long with a longest span of 60 ft (18.3 m) and a deck 26 ft wide.

Who owns Nfa A070 over Buffalo River?

It is owned by the County Highway Agency.