US Bridges

KY-58 over Unname Stream

Fair

Hickman County, Kentucky · 1.0 MI N.W. of JCT Ky 154 · Structure no. 053B00040N

Built
1930
95 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete
Length
54 ft
5 main spans
Daily traffic
627
2022 count
Owner
State
State Highway Agency

About this bridge

KY-58 over Unname Stream is a concrete culvert carrying KY-58 over Unname Stream in Hickman County, Kentucky. It was built in 1930, so it is 95 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 627 vehicles a day, roughly 21% of them trucks, projected to reach 627 by 2042. The structure is 54 ft (16.5 m) long. If it were closed, the detour would be 6.2 mi (10 km).

CarriesKY-58
CrossesUnname Stream
Location1.0 MI N.W. of JCT Ky 154
RouteState Highway 58
Coordinates36.72111, -89.03972
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 protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 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
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating44 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans5
Design loadUnknown
Structure length54 ft (16.5 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic627 (2022)
Projected traffic627 by 2042
Trucks21%
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-58 over Unname Stream built?

It was built in 1930, making it 95 years old in 2025.

What condition is KY-58 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 January 2024.

How much traffic does KY-58 over Unname Stream carry?

About 627 vehicles per day (2022 count), of which roughly 21% are trucks.

How long is KY-58 over Unname Stream?

The structure is 54 ft (16.5 m) long with a longest span of 10 ft (3 m).

Who owns KY-58 over Unname Stream?

It is owned by the State Highway Agency.