US Bridges

KY-1820 over Mayfield Creek

Fair

Graves County, Kentucky · 2.2 MI W of Ky 339 · Structure no. 042B00273N

Built
1986
39 years old
Condition
Fair
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
27 ft
1 main span
Daily traffic
527
2019 count
Owner
State
State Highway Agency

About this bridge

KY-1820 over Mayfield Creek is a prestressed concrete box beam or girders - multiple carrying KY-1820 over Mayfield Creek in Graves County, Kentucky. It was built in 1986, so it is 39 years old, younger 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 6 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 527 vehicles a day, projected to reach 527 by 2039. The structure is 27 ft (8.2 m) long and 24 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesKY-1820
CrossesMayfield Creek
Location2.2 MI W of Ky 339
RouteState Highway 1820
CountyGraves County
StateKentucky
Coordinates36.94667, -88.765
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.
Superstructure7 GoodSome minor problems.
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 inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110 US tons
Inventory rating69.9 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length27 ft (8.2 m)
Longest span25 ft (7.6 m)
Deck width24 ft (7.4 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic527 (2019)
Projected traffic527 by 2039
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-1820 over Mayfield Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is KY-1820 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 November 2024.

How much traffic does KY-1820 over Mayfield Creek carry?

About 527 vehicles per day (2019 count).

How long is KY-1820 over Mayfield Creek?

The structure is 27 ft (8.2 m) long with a longest span of 25 ft (7.6 m) and a deck 24 ft wide.

Who owns KY-1820 over Mayfield Creek?

It is owned by the State Highway Agency.