US Bridges

Nfa A122 over Roaring River

Fair

Jackson County, Tennessee · .2MI North of SR136 · Structure no. 440A1220001

Built
2011
14 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
300 ft
3 main spans
Daily traffic
90
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A122 over Roaring River is a prestressed concrete continuous stringer/multi-beam or girder carrying Nfa A122 over Roaring River in Jackson County, Tennessee. It was built in 2011, so it is 14 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 90 vehicles a day, roughly 2% of them trucks, projected to reach 144 by 2039. The structure is 300 ft (91.4 m) long and 25 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesNfa A122
CrossesRoaring River
Location.2MI North of SR136
RouteCounty Highway 122
Coordinates36.3517, -85.546
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.6 US tons
Inventory rating26.1 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans3
Design loadHL 93
Structure length300 ft (91.4 m)
Longest span100 ft (30.5 m)
Deck width25 ft (7.5 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic90 (2020)
Projected traffic144 by 2039
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 A122 over Roaring River built?

It was built in 2011, making it 14 years old in 2025.

What condition is Nfa A122 over Roaring 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 2023.

How much traffic does Nfa A122 over Roaring River carry?

About 90 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A122 over Roaring River?

The structure is 300 ft (91.4 m) long with a longest span of 100 ft (30.5 m) and a deck 25 ft wide.

Who owns Nfa A122 over Roaring River?

It is owned by the County Highway Agency.