US Bridges

KY-339 over Branch of Mayfield Creek

PoorPosted for load

McCracken County, Kentucky · .85 MI Nor. of JCT Ky 182 · Structure no. 073B00057N

Built
1969
56 years old
Condition
Poor
inspected December 2024
Type
Channel Beam
Concrete
Length
67 ft
3 main spans
Daily traffic
783
2023 count
Owner
State
State Highway Agency

About this bridge

KY-339 over Branch of Mayfield Creek is a concrete channel beam carrying KY-339 over Branch of Mayfield Creek in McCracken County, Kentucky. It was built in 1969, so it is 56 years old, older than the Kentucky average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 783 vehicles a day, projected to reach 783 by 2043. The structure is 67 ft (20.3 m) long and 25 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesKY-339
CrossesBranch of Mayfield Creek
Location.85 MI Nor. of JCT Ky 182
RouteState Highway 339
Coordinates36.96083, -88.72111
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating15.3 US tons
Inventory rating9.1 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadH 15
Structure length67 ft (20.3 m)
Longest span21 ft (6.3 m)
Deck width25 ft (7.5 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic783 (2023)
Projected traffic783 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 proposedReplacement because of relocation of road
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-339 over Branch of Mayfield Creek built?

It was built in 1969, making it 56 years old in 2025.

What condition is KY-339 over Branch of Mayfield Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in December 2024.

How much traffic does KY-339 over Branch of Mayfield Creek carry?

About 783 vehicles per day (2023 count).

How long is KY-339 over Branch of Mayfield Creek?

The structure is 67 ft (20.3 m) long with a longest span of 21 ft (6.3 m) and a deck 25 ft wide.

Who owns KY-339 over Branch of Mayfield Creek?

It is owned by the State Highway Agency.