US Bridges

KY-416 over Unname Stream

Fair

Henderson County, Kentucky · .55 MI Sou. of JCT Ky 351 · Structure no. 051B00092N

Built
1953
72 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
31 ft
2 main spans
Daily traffic
308
2023 count
Owner
State
State Highway Agency

About this bridge

KY-416 over Unname Stream is a concrete culvert carrying KY-416 over Unname Stream in Henderson County, Kentucky. It was built in 1953, so it is 72 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 308 vehicles a day, projected to reach 308 by 2043. The structure is 31 ft (9.4 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesKY-416
CrossesUnname Stream
Location.55 MI Sou. of JCT Ky 351
RouteState Highway 416
Coordinates37.77, -87.37917
Functional classRural Major 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length31 ft (9.4 m)
Longest span14 ft (4.3 m)
Deck width31 ft (9.5 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic308 (2023)
Projected traffic308 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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-416 over Unname Stream built?

It was built in 1953, making it 72 years old in 2025.

What condition is KY-416 over Unname Stream 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 April 2024.

How much traffic does KY-416 over Unname Stream carry?

About 308 vehicles per day (2023 count).

How long is KY-416 over Unname Stream?

The structure is 31 ft (9.4 m) long with a longest span of 14 ft (4.3 m) and a deck 31 ft wide.

Who owns KY-416 over Unname Stream?

It is owned by the State Highway Agency.