US Bridges

KY-86 over Rough River

FairPosted for load

Hardin County, Kentucky · .35 MI West of JCT Ky 920 · Structure no. 047B00059N

Built
1933
92 years old
Condition
Fair
inspected November 2023
Type
Tee Beam
Concrete
Length
161 ft
3 main spans
Daily traffic
1,858
2022 count
Owner
State
State Highway Agency

About this bridge

KY-86 over Rough River is a concrete tee beam carrying KY-86 over Rough River in Hardin County, Kentucky. It was built in 1933, so it is 92 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 1,858 vehicles a day, roughly 13% of them trucks, projected to reach 1,858 by 2042. The structure is 161 ft (49.1 m) long and 23 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesKY-86
CrossesRough River
Location.35 MI West of JCT Ky 920
RouteState Highway 86
Coordinates37.69417, -86.13111
Functional classRural Minor Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating47.5 US tons
Inventory rating28.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length161 ft (49.1 m)
Longest span51 ft (15.5 m)
Deck width23 ft (7 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,858 (2022)
Projected traffic1,858 by 2042
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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$425,000
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-86 over Rough River built?

It was built in 1933, making it 92 years old in 2025.

What condition is KY-86 over Rough River 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 November 2023.

How much traffic does KY-86 over Rough River carry?

About 1,858 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is KY-86 over Rough River?

The structure is 161 ft (49.1 m) long with a longest span of 51 ft (15.5 m) and a deck 23 ft wide.

Who owns KY-86 over Rough River?

It is owned by the State Highway Agency.