US Bridges

Nfa 2206 (sa 9320) over Calfkiller River

Fair

White County, Tennessee · 2 MI South of SR 84 · Structure no. 93022060001

Built
1989
36 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
182 ft
3 main spans
Daily traffic
100
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 2206 (sa 9320) over Calfkiller River is a prestressed concrete continuous stringer/multi-beam or girder carrying Nfa 2206 (sa 9320) over Calfkiller River in White County, Tennessee. It was built in 1989, so it is 36 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 5 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 100 vehicles a day, roughly 4% of them trucks, projected to reach 160 by 2042. The structure is 182 ft (55.4 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesNfa 2206 (sa 9320)
CrossesCalfkiller River
Location2 MI South of SR 84
RouteCounty Highway 2206
CountyWhite County
StateTennessee
Coordinates35.98993, -85.39388
Functional classRural Minor Collector

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating50.7 US tons
Inventory rating30.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length182 ft (55.4 m)
Longest span61 ft (18.6 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2021)
Projected traffic160 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 2206 (sa 9320) over Calfkiller River built?

It was built in 1989, making it 36 years old in 2025.

What condition is Nfa 2206 (sa 9320) over Calfkiller 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 February 2024.

How much traffic does Nfa 2206 (sa 9320) over Calfkiller River carry?

About 100 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is Nfa 2206 (sa 9320) over Calfkiller River?

The structure is 182 ft (55.4 m) long with a longest span of 61 ft (18.6 m) and a deck 26 ft wide.

Who owns Nfa 2206 (sa 9320) over Calfkiller River?

It is owned by the County Highway Agency.