US Bridges

KY-408 over Mayfield Creek

Fair

Graves County, Kentucky · 1.5 MI East of JCT US 45 · Structure no. 042B00126N

Built
1956
69 years old
Condition
Fair
inspected November 2024
Type
Tee Beam
Concrete
Length
265 ft
5 main spans
Daily traffic
606
2023 count
Owner
State
State Highway Agency

About this bridge

KY-408 over Mayfield Creek is a concrete tee beam carrying KY-408 over Mayfield Creek in Graves County, Kentucky. It was built in 1956, so it is 69 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 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 606 vehicles a day, projected to reach 606 by 2043. The structure is 265 ft (80.8 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesKY-408
CrossesMayfield Creek
Location1.5 MI East of JCT US 45
RouteState Highway 408
CountyGraves County
StateKentucky
Coordinates36.85556, -88.63333
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.5 US tons
Inventory rating46.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadH 20
Structure length265 ft (80.8 m)
Longest span53 ft (16.2 m)
Deck width28 ft (8.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic606 (2023)
Projected traffic606 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-408 over Mayfield Creek built?

It was built in 1956, making it 69 years old in 2025.

What condition is KY-408 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-408 over Mayfield Creek carry?

About 606 vehicles per day (2023 count).

How long is KY-408 over Mayfield Creek?

The structure is 265 ft (80.8 m) long with a longest span of 53 ft (16.2 m) and a deck 28 ft wide.

Who owns KY-408 over Mayfield Creek?

It is owned by the State Highway Agency.