US Bridges

Nfa A362 over Roan Creek

Good

Johnson County, Tennessee · Btwn SR167&US421-S of Cty · Structure no. 460A3620001

Built
1978
47 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete Continuous
Length
32 ft
2 main spans
Daily traffic
30
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A362 over Roan Creek is a concrete continuous culvert carrying Nfa A362 over Roan Creek in Johnson County, Tennessee. It was built in 1978, so it is 47 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 30 vehicles a day, roughly 4% of them trucks, projected to reach 48 by 2042. The structure is 32 ft (9.9 m) long and 19 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesNfa A362
CrossesRoan Creek
LocationBtwn SR167&US421-S of Cty
RouteCounty Highway 362
Coordinates36.4315, -81.79965
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length32 ft (9.9 m)
Longest span15 ft (4.6 m)
Deck width19 ft (5.7 m)
Roadway width14 ft (4.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2020)
Projected traffic48 by 2042
Trucks4%
Lanes on structure1
Traffic directionOne-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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A362 over Roan Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is Nfa A362 over Roan 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 April 2024.

How much traffic does Nfa A362 over Roan Creek carry?

About 30 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Nfa A362 over Roan Creek?

The structure is 32 ft (9.9 m) long with a longest span of 15 ft (4.6 m) and a deck 19 ft wide.

Who owns Nfa A362 over Roan Creek?

It is owned by the County Highway Agency.