US Bridges

Ky 636 over Blue Stone Creek

FairPosted for load

Spencer County, Kentucky · 2.1 MI N of Ky 248 · Structure no. 108B00038N

Built
1984
41 years old
Condition
Fair
inspected February 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
42 ft
1 main span
Daily traffic
576
2020 count
Owner
State
State Highway Agency

About this bridge

Ky 636 over Blue Stone Creek is a prestressed concrete box beam or girders - multiple carrying Ky 636 over Blue Stone Creek in Spencer County, Kentucky. It was built in 1984, so it is 41 years old, younger 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 576 vehicles a day, projected to reach 576 by 2040. The structure is 42 ft (12.8 m) long and 28 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesKy 636
CrossesBlue Stone Creek
Location2.1 MI N of Ky 248
RouteState Highway 636
Coordinates38.03694, -85.1575
Functional classRural Minor 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.6 US tons
Inventory rating31.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length42 ft (12.8 m)
Longest span36 ft (11.1 m)
Deck width28 ft (8.5 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic576 (2020)
Projected traffic576 by 2040
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ky 636 over Blue Stone Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is Ky 636 over Blue Stone 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 February 2023.

How much traffic does Ky 636 over Blue Stone Creek carry?

About 576 vehicles per day (2020 count).

How long is Ky 636 over Blue Stone Creek?

The structure is 42 ft (12.8 m) long with a longest span of 36 ft (11.1 m) and a deck 28 ft wide.

Who owns Ky 636 over Blue Stone Creek?

It is owned by the State Highway Agency.