US Bridges

KY-920 over Rough River

FairPosted for load

Hardin County, Kentucky · 1.0 MI Nor. of JCT Ky 86 · Structure no. 047B00076N

Built
1950
75 years old
Condition
Fair
inspected November 2024
Type
Tee Beam
Concrete
Length
99 ft
3 main spans
Daily traffic
477
2021 count
Owner
State
State Highway Agency

About this bridge

KY-920 over Rough River is a concrete tee beam carrying KY-920 over Rough River in Hardin County, Kentucky. It was built in 1950, so it is 75 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 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 477 vehicles a day, projected to reach 477 by 2041. The structure is 99 ft (30.2 m) long and 24 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesKY-920
CrossesRough River
Location1.0 MI Nor. of JCT Ky 86
RouteState Highway 920
Coordinates37.70222, -86.11389
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 inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54.5 US tons
Inventory rating32.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length99 ft (30.2 m)
Longest span31 ft (9.6 m)
Deck width24 ft (7.3 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic477 (2021)
Projected traffic477 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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-920 over Rough River built?

It was built in 1950, making it 75 years old in 2025.

What condition is KY-920 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 2024.

How much traffic does KY-920 over Rough River carry?

About 477 vehicles per day (2021 count).

How long is KY-920 over Rough River?

The structure is 99 ft (30.2 m) long with a longest span of 31 ft (9.6 m) and a deck 24 ft wide.

Who owns KY-920 over Rough River?

It is owned by the State Highway Agency.