US Bridges

KY-90 over Cumberland River

FairPosted for load

Cumberland County, Kentucky · 0.1 MI E of S-Jct Ky 61 · Structure no. 029B00027N

Built
1951
74 years old
Condition
Fair
inspected April 2024
Type
Girder and Floorbeam System
Steel Continuous
Length
942 ft
5 main spans
Daily traffic
5,495
2021 count
Owner
State
State Highway Agency

About this bridge

KY-90 over Cumberland River is a steel continuous girder and floorbeam system carrying KY-90 over Cumberland River in Cumberland County, Kentucky. It was built in 1951, so it is 74 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. Its operating status is: posted for load restriction.

It carries about 5,495 vehicles a day, roughly 24% of them trucks, projected to reach 5,495 by 2041. The structure is 942 ft (287 m) long and 32 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

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CarriesKY-90
CrossesCumberland River
Location0.1 MI E of S-Jct Ky 61
RouteState Highway 90
CountyCumberland County
StateKentucky
Coordinates36.78028, -85.37028
Functional classRural Minor Arterial

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 protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.8 US tons
Inventory rating32.8 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadH 20
Structure length942 ft (287 m)
Longest span205 ft (62.5 m)
Deck width32 ft (9.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,495 (2021)
Projected traffic5,495 by 2041
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 km)
TollOn a free road
National Highway SystemNo

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$3.7 million
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-90 over Cumberland River built?

It was built in 1951, making it 74 years old in 2025.

What condition is KY-90 over Cumberland River 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 April 2024.

How much traffic does KY-90 over Cumberland River carry?

About 5,495 vehicles per day (2021 count), of which roughly 24% are trucks.

How long is KY-90 over Cumberland River?

The structure is 942 ft (287 m) long with a longest span of 205 ft (62.5 m) and a deck 32 ft wide.

Who owns KY-90 over Cumberland River?

It is owned by the State Highway Agency.