US Bridges

KY-170 over Johnson Creek

Fair

Fleming County, Kentucky · .35 MI Sou. of JCT Ky 161 · Structure no. 035B00034N

Built
1934
91 years old
Condition
Fair
inspected June 2023
Type
Tee Beam
Concrete
Length
57 ft
2 main spans
Daily traffic
466
2021 count
Owner
State
State Highway Agency

About this bridge

KY-170 over Johnson Creek is a concrete tee beam carrying KY-170 over Johnson Creek in Fleming County, Kentucky. It was built in 1934, so it is 91 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.

It carries about 466 vehicles a day, projected to reach 466 by 2041. The structure is 57 ft (17.5 m) long and 26 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesKY-170
CrossesJohnson Creek
Location.35 MI Sou. of JCT Ky 161
RouteState Highway 170
CountyFleming County
StateKentucky
Coordinates38.45278, -83.80694
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.
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating72.8 US tons
Inventory rating45.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length57 ft (17.5 m)
Longest span28 ft (8.4 m)
Deck width26 ft (7.9 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic466 (2021)
Projected traffic466 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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-170 over Johnson Creek built?

It was built in 1934, making it 91 years old in 2025.

What condition is KY-170 over Johnson 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 2023.

How much traffic does KY-170 over Johnson Creek carry?

About 466 vehicles per day (2021 count).

How long is KY-170 over Johnson Creek?

The structure is 57 ft (17.5 m) long with a longest span of 28 ft (8.4 m) and a deck 26 ft wide.

Who owns KY-170 over Johnson Creek?

It is owned by the State Highway Agency.