US Bridges

KY-359 over Unname Stream

Good

Henderson County, Kentucky · 2.0 MI S.W. of JCT Ky 136 · Structure no. 051B00060N

Built
1952
73 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
1,504
2012 count
Owner
State
State Highway Agency

About this bridge

KY-359 over Unname Stream is a concrete culvert carrying KY-359 over Unname Stream in Henderson County, Kentucky. It was built in 1952, so it is 73 years old, older than the Kentucky average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,504 vehicles a day, roughly 11% of them trucks, projected to reach 1,504 by 2032. The structure is 29 ft (8.8 m) long and 31 ft wide. If it were closed, the detour would be 13 mi (21 km).

Location

Open in Google Maps
CarriesKY-359
CrossesUnname Stream
Location2.0 MI S.W. of JCT Ky 136
RouteState Highway 359
CountyHenderson County
StateKentucky
Coordinates37.78639, -87.79194
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length29 ft (8.8 m)
Longest span14 ft (4.2 m)
Deck width31 ft (9.4 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,504 (2012)
Projected traffic1,504 by 2032
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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-359 over Unname Stream built?

It was built in 1952, making it 73 years old in 2025.

What condition is KY-359 over Unname Stream in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.

How much traffic does KY-359 over Unname Stream carry?

About 1,504 vehicles per day (2012 count), of which roughly 11% are trucks.

How long is KY-359 over Unname Stream?

The structure is 29 ft (8.8 m) long with a longest span of 14 ft (4.2 m) and a deck 31 ft wide.

Who owns KY-359 over Unname Stream?

It is owned by the State Highway Agency.