US Bridges

Ky 90 over Cumberland River

Fair

Pulaski County, Kentucky · 0.8 Mi. W. of JCT US 27 · Structure no. 100B00110N

Built
2005
20 years old
Condition
Fair
inspected June 2024
Type
Truss - Thru
Steel Continuous
Length
1,712 ft
2 main spans
Daily traffic
14,765
2023 count
Owner
State
State Highway Agency

About this bridge

Ky 90 over Cumberland River is a steel continuous truss - thru carrying Ky 90 over Cumberland River in Pulaski County, Kentucky. It was built in 2005, so it is 20 years old, younger 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 14,765 vehicles a day, roughly 10% of them trucks, projected to reach 14,765 by 2043. The structure is 1,712 ft (521.7 m) long and 86 ft wide. If it were closed, the detour would be 36 mi (58 km).

CarriesKy 90
CrossesCumberland River
Location0.8 Mi. W. of JCT US 27
RouteState Highway 90
Coordinates36.99056, -84.61944
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating49.3 US tons
Inventory rating29.5 US tons

Structure

Structure typeTruss - Thru
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 25 or greater
Structure length1,712 ft (521.7 m)
Longest span786 ft (239.6 m)
Deck width86 ft (26.1 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deck18 ft (5.5 m)

Traffic and service

Average daily traffic14,765 (2023)
Projected traffic14,765 by 2043
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed36 mi (58 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ky 90 over Cumberland River built?

It was built in 2005, making it 20 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 June 2024.

How much traffic does Ky 90 over Cumberland River carry?

About 14,765 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Ky 90 over Cumberland River?

The structure is 1,712 ft (521.7 m) long with a longest span of 786 ft (239.6 m) and a deck 86 ft wide.

Who owns Ky 90 over Cumberland River?

It is owned by the State Highway Agency.