US Bridges

Nfa A180 over Piney Branch

Poor

Lewis County, Tennessee · 3 M. E. Hohenwald. · Structure no. 510A1800001

Built
1970
55 years old
Condition
Poor
inspected June 2023
Type
Culvert
Concrete Continuous
Length
69 ft
3 main spans
Daily traffic
600
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A180 over Piney Branch is a concrete continuous culvert carrying Nfa A180 over Piney Branch in Lewis 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 600 vehicles a day, roughly 6% of them trucks, projected to reach 960 by 2041. The structure is 69 ft (20.9 m) long and 28 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesNfa A180
CrossesPiney Branch
Location3 M. E. Hohenwald.
RouteCounty Highway 180
CountyLewis County
StateTennessee
Coordinates35.5494, -87.50281
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating57.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length69 ft (20.9 m)
Longest span15 ft (4.6 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2020)
Projected traffic960 by 2041
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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$481,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A180 over Piney Branch built?

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

What condition is Nfa A180 over Piney Branch in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2023.

How much traffic does Nfa A180 over Piney Branch carry?

About 600 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is Nfa A180 over Piney Branch?

The structure is 69 ft (20.9 m) long with a longest span of 15 ft (4.6 m) and a deck 28 ft wide.

Who owns Nfa A180 over Piney Branch?

It is owned by the County Highway Agency.