US Bridges

KY-536 over Gunpowder Creek

FairPosted for load

Boone County, Kentucky · 3.3 MI S.E. of JCT Ky 338 · Structure no. 008B00036N

Built
1958
67 years old
Condition
Fair
inspected June 2024
Type
Tee Beam
Concrete Continuous
Length
205 ft
3 main spans
Daily traffic
538
2021 count
Owner
State
State Highway Agency

About this bridge

KY-536 over Gunpowder Creek is a concrete continuous tee beam carrying KY-536 over Gunpowder Creek in Boone County, Kentucky. It was built in 1958, so it is 67 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 538 vehicles a day, roughly 7% of them trucks, projected to reach 538 by 2041. The structure is 205 ft (62.5 m) long and 28 ft wide. If it were closed, the detour would be 12.4 mi (20 km).

Location

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CarriesKY-536
CrossesGunpowder Creek
Location3.3 MI S.E. of JCT Ky 338
RouteState Highway 536
CountyBoone County
StateKentucky
Coordinates38.93389, -84.78944
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.
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 protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating24.7 US tons
Inventory rating14.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length205 ft (62.5 m)
Longest span80 ft (24.4 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic538 (2021)
Projected traffic538 by 2041
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed12.4 mi (20 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-536 over Gunpowder Creek built?

It was built in 1958, making it 67 years old in 2025.

What condition is KY-536 over Gunpowder 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 June 2024.

How much traffic does KY-536 over Gunpowder Creek carry?

About 538 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is KY-536 over Gunpowder Creek?

The structure is 205 ft (62.5 m) long with a longest span of 80 ft (24.4 m) and a deck 28 ft wide.

Who owns KY-536 over Gunpowder Creek?

It is owned by the State Highway Agency.