US Bridges

US-51 over Fork of Mayfield Creek

Fair

Carlisle County, Kentucky · .90 MI Nor. of JCT US 62 · Structure no. 020B00006N

Built
1920
105 years old
Condition
Fair
inspected February 2023
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
2,172
2021 count
Owner
State
State Highway Agency

About this bridge

US-51 over Fork of Mayfield Creek is a concrete culvert carrying US-51 over Fork of Mayfield Creek in Carlisle County, Kentucky. It was built in 1920, so it is 105 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 2,172 vehicles a day, roughly 25% of them trucks, projected to reach 2,172 by 2041. The structure is 22 ft (6.7 m) long.

CarriesUS-51
CrossesFork of Mayfield Creek
Location.90 MI Nor. of JCT US 62
RouteU.S. Route 51
Coordinates36.8875, -89.02
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 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
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating44 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,172 (2021)
Projected traffic2,172 by 2041
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 US-51 over Fork of Mayfield Creek built?

It was built in 1920, making it 105 years old in 2025.

What condition is US-51 over Fork of 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 February 2023.

How much traffic does US-51 over Fork of Mayfield Creek carry?

About 2,172 vehicles per day (2021 count), of which roughly 25% are trucks.

How long is US-51 over Fork of Mayfield Creek?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m).

Who owns US-51 over Fork of Mayfield Creek?

It is owned by the State Highway Agency.