US Bridges

I-75 over Cumberland R.--Croley R

Fair

Whitley County, Kentucky · 1 MI S of S-Ntrch US 25W · Structure no. 118B00045R

Built
1965
60 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
670 ft
5 main spans
Daily traffic
18,896
2023 count
Owner
State
State Highway Agency

About this bridge

I-75 over Cumberland R.--Croley R is a steel continuous stringer/multi-beam or girder carrying I-75 over Cumberland R.--Croley R in Whitley County, Kentucky. It was built in 1965, so it is 60 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 5 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 18,896 vehicles a day, roughly 28% of them trucks, projected to reach 23,430 by 2043. The structure is 670 ft (204.2 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-75
CrossesCumberland R.--Croley R
Location1 MI S of S-Ntrch US 25W
RouteInterstate 75
CountyWhitley County
StateKentucky
Coordinates36.78, -84.17
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.4 US tons
Inventory rating39.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length670 ft (204.2 m)
Longest span200 ft (60.9 m)
Deck width36 ft (11 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,896 (2023)
Projected traffic23,430 by 2043
Trucks28%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
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$3 million
NavigationNo navigation control on waterway

Frequently asked questions

When was I-75 over Cumberland R.--Croley R built?

It was built in 1965, making it 60 years old in 2025.

What condition is I-75 over Cumberland R.--Croley R 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 September 2024.

How much traffic does I-75 over Cumberland R.--Croley R carry?

About 18,896 vehicles per day (2023 count), of which roughly 28% are trucks.

How long is I-75 over Cumberland R.--Croley R?

The structure is 670 ft (204.2 m) long with a longest span of 200 ft (60.9 m) and a deck 36 ft wide.

Who owns I-75 over Cumberland R.--Croley R?

It is owned by the State Highway Agency.