US Bridges

KY-66 over Dry Branch

Fair

Clay County, Kentucky · NW @ JCT Ky 149 · Structure no. 026B00047N

Built
1956
69 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete
Length
30 ft
2 main spans
Daily traffic
493
2023 count
Owner
State
State Highway Agency

About this bridge

KY-66 over Dry Branch is a concrete culvert carrying KY-66 over Dry Branch in Clay County, Kentucky. It was built in 1956, so it is 69 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 493 vehicles a day, projected to reach 493 by 2043. The structure is 30 ft (9.1 m) long and 45 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

CarriesKY-66
CrossesDry Branch
LocationNW @ JCT Ky 149
RouteState Highway 66
Coordinates37.20361, -83.61167
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length30 ft (9.1 m)
Longest span14 ft (4.3 m)
Deck width45 ft (13.7 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic493 (2023)
Projected traffic493 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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-66 over Dry Branch built?

It was built in 1956, making it 69 years old in 2025.

What condition is KY-66 over Dry Branch 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 August 2024.

How much traffic does KY-66 over Dry Branch carry?

About 493 vehicles per day (2023 count).

How long is KY-66 over Dry Branch?

The structure is 30 ft (9.1 m) long with a longest span of 14 ft (4.3 m) and a deck 45 ft wide.

Who owns KY-66 over Dry Branch?

It is owned by the State Highway Agency.