US Bridges

KY-464 over Mayfield Creek

FairPosted for load

Graves County, Kentucky · 1.3 MI East of JCT Ky 121 · Structure no. 042B00062N

Built
1955
70 years old
Condition
Fair
inspected October 2024
Type
Tee Beam
Concrete
Length
228 ft
6 main spans
Daily traffic
1,127
2022 count
Owner
State
State Highway Agency

About this bridge

KY-464 over Mayfield Creek is a concrete tee beam carrying KY-464 over Mayfield Creek in Graves County, Kentucky. It was built in 1955, so it is 70 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. Its operating status is: posted for load restriction.

It carries about 1,127 vehicles a day, projected to reach 1,127 by 2042. The structure is 228 ft (69.5 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesKY-464
CrossesMayfield Creek
Location1.3 MI East of JCT Ky 121
RouteState Highway 464
CountyGraves County
StateKentucky
Coordinates36.73694, -88.61083
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.4 US tons
Inventory rating36.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadH 15
Structure length228 ft (69.5 m)
Longest span35 ft (10.7 m)
Deck width27 ft (8.1 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,127 (2022)
Projected traffic1,127 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$684,000
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-464 over Mayfield Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is KY-464 over Mayfield Creek 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 October 2024.

How much traffic does KY-464 over Mayfield Creek carry?

About 1,127 vehicles per day (2022 count).

How long is KY-464 over Mayfield Creek?

The structure is 228 ft (69.5 m) long with a longest span of 35 ft (10.7 m) and a deck 27 ft wide.

Who owns KY-464 over Mayfield Creek?

It is owned by the State Highway Agency.