US Bridges

KY-3 over Mid Frk Rockcastle Crk

Fair

Martin County, Kentucky · 350 W of JCT Sawmill Hlw · Structure no. 080B00036N

Built
1988
37 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
2,742
2021 count
Owner
State
State Highway Agency

About this bridge

KY-3 over Mid Frk Rockcastle Crk is a concrete culvert carrying KY-3 over Mid Frk Rockcastle Crk in Martin County, Kentucky. It was built in 1988, so it is 37 years old, younger 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 2,742 vehicles a day, roughly 9% of them trucks, projected to reach 2,742 by 2041. The structure is 25 ft (7.6 m) long and 82 ft wide. If it were closed, the detour would be 32.9 mi (53 km).

Location

Open in Google Maps
CarriesKY-3
CrossesMid Frk Rockcastle Crk
Location350 W of JCT Sawmill Hlw
RouteState Highway 3
CountyMartin County
StateKentucky
Coordinates37.77556, -82.61167
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 protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
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 geometry9: Superior to present desirable criteria
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 length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width82 ft (25 m)
Roadway width82 ft (25 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,742 (2021)
Projected traffic2,742 by 2041
Trucks9%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed32.9 mi (53 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-3 over Mid Frk Rockcastle Crk built?

It was built in 1988, making it 37 years old in 2025.

What condition is KY-3 over Mid Frk Rockcastle Crk 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-3 over Mid Frk Rockcastle Crk carry?

About 2,742 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is KY-3 over Mid Frk Rockcastle Crk?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m) and a deck 82 ft wide.

Who owns KY-3 over Mid Frk Rockcastle Crk?

It is owned by the State Highway Agency.