US Bridges

KY-10 over Bull Fork

Fair

Mason County, Kentucky · 1 MI E of JCT Ky 1449 · Structure no. 081B00002N

Built
1932
93 years old
Condition
Fair
inspected November 2023
Type
Tee Beam
Concrete
Length
65 ft
2 main spans
Daily traffic
1,009
2022 count
Owner
State
State Highway Agency

About this bridge

KY-10 over Bull Fork is a concrete tee beam carrying KY-10 over Bull Fork in Mason County, Kentucky. It was built in 1932, so it is 93 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 1,009 vehicles a day, roughly 13% of them trucks, projected to reach 1,009 by 2042. The structure is 65 ft (19.8 m) long and 24 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesKY-10
CrossesBull Fork
Location1 MI E of JCT Ky 1449
RouteState Highway 10
CountyMason County
StateKentucky
Coordinates38.62361, -83.70417
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionNovember 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
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.7 US tons
Inventory rating42.4 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length65 ft (19.8 m)
Longest span30 ft (9.1 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,009 (2022)
Projected traffic1,009 by 2042
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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$195,000
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-10 over Bull Fork built?

It was built in 1932, making it 93 years old in 2025.

What condition is KY-10 over Bull Fork 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 Bull Fork carry?

About 1,009 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is KY-10 over Bull Fork?

The structure is 65 ft (19.8 m) long with a longest span of 30 ft (9.1 m) and a deck 24 ft wide.

Who owns KY-10 over Bull Fork?

It is owned by the State Highway Agency.