US Bridges

KY-342 over Cedar Run

Fair

Mercer County, Kentucky · 1.0 MI S of N.Jct W/Ky 33 · Structure no. 084B00004N

Built
1936
89 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
355
2023 count
Owner
State
State Highway Agency

About this bridge

KY-342 over Cedar Run is a concrete culvert carrying KY-342 over Cedar Run in Mercer County, Kentucky. It was built in 1936, so it is 89 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 355 vehicles a day, projected to reach 355 by 2043. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesKY-342
CrossesCedar Run
Location1.0 MI S of N.Jct W/Ky 33
RouteState Highway 342
CountyMercer County
StateKentucky
Coordinates37.795, -84.72861
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating110 US tons
Inventory rating110 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length21 ft (6.4 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 traffic355 (2023)
Projected traffic355 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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-342 over Cedar Run built?

It was built in 1936, making it 89 years old in 2025.

What condition is KY-342 over Cedar Run 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 August 2024.

How much traffic does KY-342 over Cedar Run carry?

About 355 vehicles per day (2023 count).

How long is KY-342 over Cedar Run?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns KY-342 over Cedar Run?

It is owned by the State Highway Agency.