US Bridges

KY-136 over Cannons Slough

FairPosted for load

Henderson County, Kentucky · 4.2 MI N.W. of JCT Ky 268 · Structure no. 051B00045N

Built
1934
91 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
47 ft
2 main spans
Daily traffic
22
2022 count
Owner
State
State Highway Agency

About this bridge

KY-136 over Cannons Slough is a steel stringer/multi-beam or girder carrying KY-136 over Cannons Slough in Henderson County, Kentucky. It was built in 1934, so it is 91 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 22 vehicles a day, projected to reach 22 by 2042. The structure is 47 ft (14.3 m) long and 18 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesKY-136
CrossesCannons Slough
Location4.2 MI N.W. of JCT Ky 268
RouteState Highway 136
CountyHenderson County
StateKentucky
Coordinates37.8975, -87.86639
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionMay 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating60.6 US tons
Inventory rating36.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length47 ft (14.3 m)
Longest span21 ft (6.4 m)
Deck width18 ft (5.5 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22 (2022)
Projected traffic22 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$123,000
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-136 over Cannons Slough built?

It was built in 1934, making it 91 years old in 2025.

What condition is KY-136 over Cannons Slough 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-136 over Cannons Slough carry?

About 22 vehicles per day (2022 count).

How long is KY-136 over Cannons Slough?

The structure is 47 ft (14.3 m) long with a longest span of 21 ft (6.4 m) and a deck 18 ft wide.

Who owns KY-136 over Cannons Slough?

It is owned by the State Highway Agency.