US Bridges

KY-464 over Clarks River

Fair

Calloway County, Kentucky · 1.7 MI East of JCT Ky 182 · Structure no. 018B00043N

Built
1957
68 years old
Condition
Fair
inspected May 2023
Type
Tee Beam
Concrete
Length
329 ft
8 main spans
Daily traffic
736
2023 count
Owner
State
State Highway Agency

About this bridge

KY-464 over Clarks River is a concrete tee beam carrying KY-464 over Clarks River in Calloway County, Kentucky. It was built in 1957, so it is 68 years old, older than the Kentucky average of 46.6 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 736 vehicles a day, projected to reach 736 by 2043. The structure is 329 ft (100.3 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesKY-464
CrossesClarks River
Location1.7 MI East of JCT Ky 182
RouteState Highway 464
CountyCalloway County
StateKentucky
Coordinates36.69167, -88.27333
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.8 US tons
Inventory rating44.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans8
Design loadH 20
Structure length329 ft (100.3 m)
Longest span53 ft (16.2 m)
Deck width28 ft (8.6 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic736 (2023)
Projected traffic736 by 2043
Trucks0%
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-464 over Clarks River built?

It was built in 1957, making it 68 years old in 2025.

What condition is KY-464 over Clarks 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 May 2023.

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

About 736 vehicles per day (2023 count).

How long is KY-464 over Clarks River?

The structure is 329 ft (100.3 m) long with a longest span of 53 ft (16.2 m) and a deck 28 ft wide.

Who owns KY-464 over Clarks River?

It is owned by the State Highway Agency.