US Bridges

Nfa A201 over Harpeth River

Fair

Cheatham County, Tennessee · On Dickson Co. Line. · Structure no. 110A2010001

Built
1982
43 years old
Condition
Fair
inspected August 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
323 ft
4 main spans
Daily traffic
440
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A201 over Harpeth River is a prestressed concrete continuous box beam or girders - single or spread carrying Nfa A201 over Harpeth River in Cheatham County, Tennessee. It was built in 1982, so it is 43 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 440 vehicles a day, roughly 4% of them trucks, projected to reach 704 by 2041. The structure is 323 ft (98.5 m) long and 30 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesNfa A201
CrossesHarpeth River
LocationOn Dickson Co. Line.
RouteCounty Highway 201
Coordinates36.17202, -87.16002
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating66.5 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length323 ft (98.5 m)
Longest span90 ft (27.4 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic440 (2020)
Projected traffic704 by 2041
Trucks4%
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 A201 over Harpeth River built?

It was built in 1982, making it 43 years old in 2025.

What condition is Nfa A201 over Harpeth 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 August 2024.

How much traffic does Nfa A201 over Harpeth River carry?

About 440 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Nfa A201 over Harpeth River?

The structure is 323 ft (98.5 m) long with a longest span of 90 ft (27.4 m) and a deck 30 ft wide.

Who owns Nfa A201 over Harpeth River?

It is owned by the County Highway Agency.