US Bridges

Nfa A365 over Harmon Creek

Good

Humphreys County, Tennessee · Harper RD in Hickman CO · Structure no. 430A3650001

Built
2005
20 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete Continuous
Length
30 ft
2 main spans
Daily traffic
70
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A365 over Harmon Creek is a concrete continuous culvert carrying Nfa A365 over Harmon Creek in Humphreys County, Tennessee. It was built in 2005, so it is 20 years old, younger than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 70 vehicles a day, roughly 4% of them trucks, projected to reach 112 by 2040. The structure is 30 ft (9.2 m) long and 28 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesNfa A365
CrossesHarmon Creek
LocationHarper RD in Hickman CO
RouteCounty Highway 365
Coordinates36.01562, -87.92963
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length30 ft (9.2 m)
Longest span12 ft (3.7 m)
Deck width28 ft (8.5 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2020)
Projected traffic112 by 2040
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A365 over Harmon Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is Nfa A365 over Harmon Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2023.

How much traffic does Nfa A365 over Harmon Creek carry?

About 70 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Nfa A365 over Harmon Creek?

The structure is 30 ft (9.2 m) long with a longest span of 12 ft (3.7 m) and a deck 28 ft wide.

Who owns Nfa A365 over Harmon Creek?

It is owned by the County Highway Agency.