US Bridges

N Blackburn Bottom over Johns Creek

Fair

Pike County, Kentucky · 50 SE of JCT Ky 194 · Structure no. 098C00112N

Built
1986
39 years old
Condition
Fair
inspected January 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
73 ft
1 main span
Daily traffic
470
2012 count
Owner
County
County Highway Agency

About this bridge

N Blackburn Bottom over Johns Creek is a prestressed concrete box beam or girders - multiple carrying N Blackburn Bottom over Johns Creek in Pike County, Kentucky. It was built in 1986, so it is 39 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.

It carries about 470 vehicles a day, projected to reach 470 by 2032. The structure is 73 ft (22.3 m) long and 21 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesN Blackburn Bottom
CrossesJohns Creek
Location50 SE of JCT Ky 194
RouteCounty Highway 1452
CountyPike County
StateKentucky
Coordinates37.55972, -82.42
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 protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating47.6 US tons
Inventory rating28.5 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length73 ft (22.3 m)
Longest span71 ft (21.6 m)
Deck width21 ft (6.4 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic470 (2012)
Projected traffic470 by 2032
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 N Blackburn Bottom over Johns Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is N Blackburn Bottom over Johns 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 January 2024.

How much traffic does N Blackburn Bottom over Johns Creek carry?

About 470 vehicles per day (2012 count).

How long is N Blackburn Bottom over Johns Creek?

The structure is 73 ft (22.3 m) long with a longest span of 71 ft (21.6 m) and a deck 21 ft wide.

Who owns N Blackburn Bottom over Johns Creek?

It is owned by the County Highway Agency.