US Bridges

Ky 30 over Rockcastle River

Good

Laurel County, Kentucky · At Green Mount on 30 · Structure no. 063B00119N

Built
2009
16 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
463 ft
5 main spans
Daily traffic
5,764
2022 count
Owner
State
State Highway Agency

About this bridge

Ky 30 over Rockcastle River is a prestressed concrete continuous stringer/multi-beam or girder carrying Ky 30 over Rockcastle River in Laurel County, Kentucky. It was built in 2009, so it is 16 years old, younger than the Kentucky average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,764 vehicles a day, projected to reach 5,764 by 2042. The structure is 463 ft (141.1 m) long and 51 ft wide. If it were closed, the detour would be 54.1 mi (87 km).

Location

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CarriesKy 30
CrossesRockcastle River
LocationAt Green Mount on 30
RouteState Highway 30
CountyLaurel County
StateKentucky
Coordinates37.24806, -84.02444
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating88.2 US tons
Inventory rating52.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 25 or greater
Structure length463 ft (141.1 m)
Longest span100 ft (30.5 m)
Deck width51 ft (15.5 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,764 (2022)
Projected traffic5,764 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed54.1 mi (87 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 30 over Rockcastle River built?

It was built in 2009, making it 16 years old in 2025.

What condition is Ky 30 over Rockcastle River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.

How much traffic does Ky 30 over Rockcastle River carry?

About 5,764 vehicles per day (2022 count).

How long is Ky 30 over Rockcastle River?

The structure is 463 ft (141.1 m) long with a longest span of 100 ft (30.5 m) and a deck 51 ft wide.

Who owns Ky 30 over Rockcastle River?

It is owned by the State Highway Agency.