US Bridges

I-75 over Green Hill Road

Good

Rockcastle County, Kentucky · 0.4 MI N of Exit 62 · Structure no. 102B00076N

Built
2018
7 years old
Condition
Good
inspected September 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
82 ft
1 main span
Daily traffic
47,638
2023 count
Owner
State
State Highway Agency

About this bridge

I-75 over Green Hill Road is a prestressed concrete stringer/multi-beam or girder carrying I-75 over Green Hill Road in Rockcastle County, Kentucky. It was built in 2018, so it is 7 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 47,638 vehicles a day, roughly 26% of them trucks, projected to reach 59,071 by 2043. The structure is 82 ft (25.1 m) long and 142 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
CarriesI-75
CrossesGreen Hill Road
Location0.4 MI N of Exit 62
RouteInterstate 75
CountyRockcastle County
StateKentucky
Coordinates37.38583, -84.33556
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
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 rating79.3 US tons
Inventory rating61.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length82 ft (25.1 m)
Longest span75 ft (22.9 m)
Deck width142 ft (43.2 m)
Roadway width135 ft (41.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic47,638 (2023)
Projected traffic59,071 by 2043
Trucks26%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed14.9 mi (24 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 Green Hill Road built?

It was built in 2018, making it 7 years old in 2025.

What condition is I-75 over Green Hill Road 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 Green Hill Road carry?

About 47,638 vehicles per day (2023 count), of which roughly 26% are trucks.

How long is I-75 over Green Hill Road?

The structure is 82 ft (25.1 m) long with a longest span of 75 ft (22.9 m) and a deck 142 ft wide.

Who owns I-75 over Green Hill Road?

It is owned by the State Highway Agency.