US Bridges

KY-3275 over I-75

Good

Rockcastle County, Kentucky · 0.7 MI NW of JCT US 25 · Structure no. 102B00071N

Built
2017
8 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
282 ft
4 main spans
Daily traffic
427
2021 count
Owner
State
State Highway Agency

About this bridge

KY-3275 over I-75 is a prestressed concrete stringer/multi-beam or girder carrying KY-3275 over I-75 in Rockcastle County, Kentucky. It was built in 2017, so it is 8 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 427 vehicles a day, projected to reach 427 by 2041. The structure is 282 ft (86 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesKY-3275
CrossesI-75
Location0.7 MI NW of JCT US 25
RouteState Highway 3275
CountyRockcastle County
StateKentucky
Coordinates37.43417, -84.34222
Functional classRural Local

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 25 or greater
Structure length282 ft (86 m)
Longest span97 ft (29.6 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic427 (2021)
Projected traffic427 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was KY-3275 over I-75 built?

It was built in 2017, making it 8 years old in 2025.

What condition is KY-3275 over I-75 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 2024.

How much traffic does KY-3275 over I-75 carry?

About 427 vehicles per day (2021 count).

How long is KY-3275 over I-75?

The structure is 282 ft (86 m) long with a longest span of 97 ft (29.6 m) and a deck 31 ft wide.

Who owns KY-3275 over I-75?

It is owned by the State Highway Agency.