US Bridges

KY-66 over Cumberland River

FairPosted for load

Bell County, Kentucky · .3 MI N of JCT US 25E · Structure no. 007B00114N

Built
1985
40 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
425 ft
3 main spans
Daily traffic
4,231
2022 count
Owner
State
State Highway Agency

About this bridge

KY-66 over Cumberland River is a steel continuous stringer/multi-beam or girder carrying KY-66 over Cumberland River in Bell County, Kentucky. It was built in 1985, so it is 40 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. Its operating status is: posted for load restriction.

It carries about 4,231 vehicles a day, projected to reach 4,231 by 2042. The structure is 425 ft (129.5 m) long and 43 ft wide. If it were closed, the detour would be 39.8 mi (64 km).

Location

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CarriesKY-66
CrossesCumberland River
Location.3 MI N of JCT US 25E
RouteState Highway 66
CountyBell County
StateKentucky
Coordinates36.76417, -83.69278
Functional classRural Major Collector

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.7 US tons
Inventory rating32.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length425 ft (129.5 m)
Longest span170 ft (51.8 m)
Deck width43 ft (13 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,231 (2022)
Projected traffic4,231 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed39.8 mi (64 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-66 over Cumberland River built?

It was built in 1985, making it 40 years old in 2025.

What condition is KY-66 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 May 2024.

How much traffic does KY-66 over Cumberland River carry?

About 4,231 vehicles per day (2022 count).

How long is KY-66 over Cumberland River?

The structure is 425 ft (129.5 m) long with a longest span of 170 ft (51.8 m) and a deck 43 ft wide.

Who owns KY-66 over Cumberland River?

It is owned by the State Highway Agency.