US Bridges

Nfa A164 over Roaring Fork Creek

Good

Greene County, Tennessee · 2.8 M SE of I81-SR70 Exit · Structure no. 300A1640001

Built
2000
25 years old
Condition
Good
inspected January 2025
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
69 ft
1 main span
Daily traffic
60
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A164 over Roaring Fork Creek is a prestressed concrete box beam or girders - single or spread carrying Nfa A164 over Roaring Fork Creek in Greene County, Tennessee. It was built in 2000, so it is 25 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 60 vehicles a day, roughly 2% of them trucks, projected to reach 96 by 2041. The structure is 69 ft (21 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesNfa A164
CrossesRoaring Fork Creek
Location2.8 M SE of I81-SR70 Exit
RouteCounty Highway 164
Coordinates36.24378, -82.89328
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating103.2 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length69 ft (21 m)
Longest span64 ft (19.5 m)
Deck width24 ft (7.4 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2020)
Projected traffic96 by 2041
Trucks2%
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 A164 over Roaring Fork Creek built?

It was built in 2000, making it 25 years old in 2025.

What condition is Nfa A164 over Roaring Fork 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 January 2025.

How much traffic does Nfa A164 over Roaring Fork Creek carry?

About 60 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A164 over Roaring Fork Creek?

The structure is 69 ft (21 m) long with a longest span of 64 ft (19.5 m) and a deck 24 ft wide.

Who owns Nfa A164 over Roaring Fork Creek?

It is owned by the County Highway Agency.