US Bridges

I-75 Nc over US 25W

Fair

Whitley County, Kentucky · Sbl Ovr N-Ntrch US 25W · Structure no. 118B00050L

Built
1967
58 years old
Condition
Fair
inspected March 2021
Type
Tee Beam
Concrete Continuous
Length
186 ft
3 main spans
Daily traffic
22,282
2023 count
Owner
State
State Highway Agency

About this bridge

I-75 Nc over US 25W is a concrete continuous tee beam carrying I-75 Nc over US 25W in Whitley County, Kentucky. It was built in 1967, so it is 58 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 22,282 vehicles a day, roughly 23% of them trucks, projected to reach 24,510 by 2043. The structure is 186 ft (56.7 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-75 Nc
CrossesUS 25W
LocationSbl Ovr N-Ntrch US 25W
RouteInterstate 75
CountyWhitley County
StateKentucky
Coordinates36.91806, -84.12972
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84.7 US tons
Inventory rating50.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length186 ft (56.7 m)
Longest span75 ft (22.9 m)
Deck width42 ft (12.7 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,282 (2023)
Projected traffic24,510 by 2043
Trucks23%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$941,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-75 Nc over US 25W built?

It was built in 1967, making it 58 years old in 2025.

What condition is I-75 Nc over US 25W 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 March 2021.

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

About 22,282 vehicles per day (2023 count), of which roughly 23% are trucks.

How long is I-75 Nc over US 25W?

The structure is 186 ft (56.7 m) long with a longest span of 75 ft (22.9 m) and a deck 42 ft wide.

Who owns I-75 Nc over US 25W?

It is owned by the State Highway Agency.