US Bridges

KY-464 over West Fork Clarks River

PoorPosted for load

Calloway County, Kentucky · .10 MI West of JCT Ky 183 · Structure no. 018B00081N

Built
1966
59 years old
Condition
Poor
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
161 ft
3 main spans
Daily traffic
210
2021 count
Owner
State
State Highway Agency

About this bridge

KY-464 over West Fork Clarks River is a prestressed concrete box beam or girders - multiple carrying KY-464 over West Fork Clarks River in Calloway County, Kentucky. It was built in 1966, so it is 59 years old, older than the Kentucky average of 46.6 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 210 vehicles a day, projected to reach 210 by 2041. The structure is 161 ft (49.2 m) long and 27 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesKY-464
CrossesWest Fork Clarks River
Location.10 MI West of JCT Ky 183
RouteState Highway 464
Coordinates36.70556, -88.46222
Functional classRural Minor 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36.7 US tons
Inventory rating22 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length161 ft (49.2 m)
Longest span52 ft (15.7 m)
Deck width27 ft (8.3 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic210 (2021)
Projected traffic210 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$621,000
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-464 over West Fork Clarks River built?

It was built in 1966, making it 59 years old in 2025.

What condition is KY-464 over West Fork Clarks 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 May 2023.

How much traffic does KY-464 over West Fork Clarks River carry?

About 210 vehicles per day (2021 count).

How long is KY-464 over West Fork Clarks River?

The structure is 161 ft (49.2 m) long with a longest span of 52 ft (15.7 m) and a deck 27 ft wide.

Who owns KY-464 over West Fork Clarks River?

It is owned by the State Highway Agency.