US Bridges

Ky 44 over Knob Creek

FairPosted for load

Bullitt County, Kentucky · 0.5 MI E of Ky 1526 · Structure no. 015B00021N

Built
1941
84 years old
Condition
Fair
inspected September 2024
Type
Tee Beam
Concrete
Length
165 ft
5 main spans
Daily traffic
3,423
2021 count
Owner
State
State Highway Agency

About this bridge

Ky 44 over Knob Creek is a concrete tee beam carrying Ky 44 over Knob Creek in Bullitt County, Kentucky. It was built in 1941, so it is 84 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 3,423 vehicles a day, roughly 8% of them trucks, projected to reach 3,423 by 2041. The structure is 165 ft (50.3 m) long and 26 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesKy 44
CrossesKnob Creek
Location0.5 MI E of Ky 1526
RouteState Highway 44
CountyBullitt County
StateKentucky
Coordinates38.00806, -85.85667
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
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.7 US tons
Inventory rating34.6 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length165 ft (50.3 m)
Longest span31 ft (9.3 m)
Deck width26 ft (8 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,423 (2021)
Projected traffic3,423 by 2041
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$542,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Ky 44 over Knob Creek built?

It was built in 1941, making it 84 years old in 2025.

What condition is Ky 44 over Knob 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 September 2024.

How much traffic does Ky 44 over Knob Creek carry?

About 3,423 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is Ky 44 over Knob Creek?

The structure is 165 ft (50.3 m) long with a longest span of 31 ft (9.3 m) and a deck 26 ft wide.

Who owns Ky 44 over Knob Creek?

It is owned by the State Highway Agency.