US Bridges

Nfa A238 over Clifty Creek

Good

White County, Tennessee · 4 MI SE of SR1 · Structure no. 93022020001

Built
2008
17 years old
Condition
Good
inspected February 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
93 ft
1 main span
Daily traffic
50
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A238 over Clifty Creek is a prestressed concrete box beam or girders - multiple carrying Nfa A238 over Clifty Creek in White County, Tennessee. It was built in 2008, so it is 17 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 50 vehicles a day, roughly 2% of them trucks, projected to reach 80 by 2042. The structure is 93 ft (28.3 m) long and 24 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesNfa A238
CrossesClifty Creek
Location4 MI SE of SR1
RouteCounty Highway 238
Coordinates35.91362, -85.27278
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 inspectionFebruary 2024
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.6 US tons
Inventory rating33.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length93 ft (28.3 m)
Longest span93 ft (28.3 m)
Deck width24 ft (7.4 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2020)
Projected traffic80 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 A238 over Clifty Creek built?

It was built in 2008, making it 17 years old in 2025.

What condition is Nfa A238 over Clifty 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 February 2024.

How much traffic does Nfa A238 over Clifty Creek carry?

About 50 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A238 over Clifty Creek?

The structure is 93 ft (28.3 m) long with a longest span of 93 ft (28.3 m) and a deck 24 ft wide.

Who owns Nfa A238 over Clifty Creek?

It is owned by the County Highway Agency.