US Bridges

KY-811 over Black Slough Creek

FairPosted for load

Henderson County, Kentucky · 1.0 MI Nor. of JCT US 60- · Structure no. 051B00085N

Built
1963
62 years old
Condition
Fair
inspected April 2022
Type
Tee Beam
Concrete
Length
99 ft
3 main spans
Daily traffic
392
2018 count
Owner
State
State Highway Agency

About this bridge

KY-811 over Black Slough Creek is a concrete tee beam carrying KY-811 over Black Slough Creek in Henderson County, Kentucky. It was built in 1963, so it is 62 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. Its operating status is: posted for load restriction.

It carries about 392 vehicles a day, projected to reach 392 by 2038. The structure is 99 ft (30.2 m) long and 28 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesKY-811
CrossesBlack Slough Creek
Location1.0 MI Nor. of JCT US 60-
RouteState Highway 811
CountyHenderson County
StateKentucky
Coordinates37.87667, -87.40222
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2022
Inspection intervalevery 48 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating65.8 US tons
Inventory rating39.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length99 ft (30.2 m)
Longest span31 ft (9.5 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic392 (2018)
Projected traffic392 by 2038
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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-811 over Black Slough Creek built?

It was built in 1963, making it 62 years old in 2025.

What condition is KY-811 over Black Slough Creek 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 2022.

How much traffic does KY-811 over Black Slough Creek carry?

About 392 vehicles per day (2018 count).

How long is KY-811 over Black Slough Creek?

The structure is 99 ft (30.2 m) long with a longest span of 31 ft (9.5 m) and a deck 28 ft wide.

Who owns KY-811 over Black Slough Creek?

It is owned by the State Highway Agency.