US Bridges

KY-10 over CSX Railroad

FairPosted for load

Mason County, Kentucky · 200 East US 62 & US 68 · Structure no. 081B00056N

Built
1937
88 years old
Condition
Fair
inspected November 2023
Type
Tee Beam
Concrete
Length
43 ft
1 main span
Daily traffic
3,305
2023 count
Owner
State
State Highway Agency

About this bridge

KY-10 over CSX Railroad is a concrete tee beam carrying KY-10 over CSX Railroad in Mason County, Kentucky. It was built in 1937, so it is 88 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. Its operating status is: posted for load restriction.

It carries about 3,305 vehicles a day, roughly 12% of them trucks, projected to reach 3,305 by 2043. The structure is 43 ft (13.1 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesKY-10
CrossesCSX Railroad
Location200 East US 62 & US 68
RouteState Highway 10
CountyMason County
StateKentucky
Coordinates38.64306, -83.75667
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating40.1 US tons
Inventory rating15 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length43 ft (13.1 m)
Longest span34 ft (10.4 m)
Deck width42 ft (12.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,305 (2023)
Projected traffic3,305 by 2043
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$225,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was KY-10 over CSX Railroad built?

It was built in 1937, making it 88 years old in 2025.

What condition is KY-10 over CSX Railroad 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 2023.

How much traffic does KY-10 over CSX Railroad carry?

About 3,305 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is KY-10 over CSX Railroad?

The structure is 43 ft (13.1 m) long with a longest span of 34 ft (10.4 m) and a deck 42 ft wide.

Who owns KY-10 over CSX Railroad?

It is owned by the State Highway Agency.