US Bridges

US-25 over Rockcastle River

FairPosted for load

Laurel County, Kentucky · On Rockcastle-Laurel Cl · Structure no. 063B00051N

Built
1950
75 years old
Condition
Fair
inspected May 2023
Type
Girder and Floorbeam System
Steel
Length
430 ft
5 main spans
Daily traffic
885
2023 count
Owner
State
State Highway Agency

About this bridge

US-25 over Rockcastle River is a steel girder and floorbeam system carrying US-25 over Rockcastle River in Laurel County, Kentucky. It was built in 1950, so it is 75 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 885 vehicles a day, roughly 9% of them trucks, projected to reach 885 by 2043. The structure is 430 ft (131.1 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesUS-25
CrossesRockcastle River
LocationOn Rockcastle-Laurel Cl
RouteU.S. Route 25
CountyLaurel County
StateKentucky
Coordinates37.24083, -84.22
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54.9 US tons
Inventory rating32.8 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadH 20
Structure length430 ft (131.1 m)
Longest span318 ft (96.9 m)
Deck width33 ft (10.2 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic885 (2023)
Projected traffic885 by 2043
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 US-25 over Rockcastle River built?

It was built in 1950, making it 75 years old in 2025.

What condition is US-25 over Rockcastle River 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 May 2023.

How much traffic does US-25 over Rockcastle River carry?

About 885 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is US-25 over Rockcastle River?

The structure is 430 ft (131.1 m) long with a longest span of 318 ft (96.9 m) and a deck 33 ft wide.

Who owns US-25 over Rockcastle River?

It is owned by the State Highway Agency.