US Bridges

FAS 285 over Calfkiller River

PoorPosted for load

White County, Tennessee · 2 MI E of US Rt 70S · Structure no. 93E00090001

Built
1971
54 years old
Condition
Poor
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
284 ft
3 main spans
Daily traffic
469
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 285 over Calfkiller River is a steel continuous stringer/multi-beam or girder carrying FAS 285 over Calfkiller River in White County, Tennessee. It was built in 1971, so it is 54 years old, older than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 469 vehicles a day, roughly 5% of them trucks, projected to reach 750 by 2042. The structure is 284 ft (86.6 m) long and 34 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesFAS 285
CrossesCalfkiller River
Location2 MI E of US Rt 70S
RouteState Highway 285
Coordinates35.84175, -85.48167
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating29.7 US tons
Inventory rating22.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length284 ft (86.6 m)
Longest span106 ft (32.3 m)
Deck width34 ft (10.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic469 (2021)
Projected traffic750 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2.8 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 285 over Calfkiller River built?

It was built in 1971, making it 54 years old in 2025.

What condition is FAS 285 over Calfkiller River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2024.

How much traffic does FAS 285 over Calfkiller River carry?

About 469 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is FAS 285 over Calfkiller River?

The structure is 284 ft (86.6 m) long with a longest span of 106 ft (32.3 m) and a deck 34 ft wide.

Who owns FAS 285 over Calfkiller River?

It is owned by the State Highway Agency.