US Bridges

I-75 over Three Fork Creek

Fair

Grant County, Kentucky · 1.0 MI Nor. of Ky 330 Op · Structure no. 041B00024N

Built
1963
62 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete
Length
32 ft
2 main spans
Daily traffic
44,363
2023 count
Owner
State
State Highway Agency

About this bridge

I-75 over Three Fork Creek is a concrete culvert carrying I-75 over Three Fork Creek in Grant County, Kentucky. It was built in 1963, so it is 62 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 44,363 vehicles a day, roughly 25% of them trucks, projected to reach 55,010 by 2043. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-75
CrossesThree Fork Creek
Location1.0 MI Nor. of Ky 330 Op
RouteInterstate 75
CountyGrant County
StateKentucky
Coordinates38.50583, -84.58972
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110 US tons
Inventory rating110 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic44,363 (2023)
Projected traffic55,010 by 2043
Trucks25%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 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 I-75 over Three Fork Creek built?

It was built in 1963, making it 62 years old in 2025.

What condition is I-75 over Three Fork Creek 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 July 2024.

How much traffic does I-75 over Three Fork Creek carry?

About 44,363 vehicles per day (2023 count), of which roughly 25% are trucks.

How long is I-75 over Three Fork Creek?

The structure is 32 ft (9.8 m) long with a longest span of 13 ft (4 m).

Who owns I-75 over Three Fork Creek?

It is owned by the State Highway Agency.