US Bridges

I-75 over US-25

Good

Rockcastle County, Kentucky · Exit 59 US25 @ 11.75 MP · Structure no. 102B00078N

Built
2020
5 years old
Condition
Good
inspected September 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
243 ft
3 main spans
Daily traffic
40,386
2023 count
Owner
State
State Highway Agency

About this bridge

I-75 over US-25 is a prestressed concrete continuous stringer/multi-beam or girder carrying I-75 over US-25 in Rockcastle County, Kentucky. It was built in 2020, so it is 5 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 40,386 vehicles a day, roughly 26% of them trucks, projected to reach 50,078 by 2043. The structure is 243 ft (74 m) long and 130 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesI-75
CrossesUS-25
LocationExit 59 US25 @ 11.75 MP
RouteInterstate 75
CountyRockcastle County
StateKentucky
Coordinates37.34194, -84.30778
Functional classRural Principal Arterial - Interstate

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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88.6 US tons
Inventory rating68.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadGreater than HL 93
Structure length243 ft (74 m)
Longest span111 ft (33.8 m)
Deck width130 ft (39.5 m)
Roadway width123 ft (37.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40,386 (2023)
Projected traffic50,078 by 2043
Trucks26%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-75 over US-25 built?

It was built in 2020, making it 5 years old in 2025.

What condition is I-75 over US-25 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 September 2022.

How much traffic does I-75 over US-25 carry?

About 40,386 vehicles per day (2023 count), of which roughly 26% are trucks.

How long is I-75 over US-25?

The structure is 243 ft (74 m) long with a longest span of 111 ft (33.8 m) and a deck 130 ft wide.

Who owns I-75 over US-25?

It is owned by the State Highway Agency.