US Bridges

KY-1105 over Unname Stream

Fair

Ballard County, Kentucky · 1.0 MI West of JCT Ky 358 · Structure no. 004B00037N

Built
1951
74 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
226
2020 count
Owner
State
State Highway Agency

About this bridge

KY-1105 over Unname Stream is a concrete culvert carrying KY-1105 over Unname Stream in Ballard County, Kentucky. It was built in 1951, so it is 74 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.

It carries about 226 vehicles a day, projected to reach 226 by 2040. The structure is 21 ft (6.4 m) long and 27 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesKY-1105
CrossesUnname Stream
Location1.0 MI West of JCT Ky 358
RouteState Highway 1105
CountyBallard County
StateKentucky
Coordinates37.14694, -88.95861
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
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 20
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width27 ft (8.2 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic226 (2020)
Projected traffic226 by 2040
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-1105 over Unname Stream built?

It was built in 1951, making it 74 years old in 2025.

What condition is KY-1105 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 March 2023.

How much traffic does KY-1105 over Unname Stream carry?

About 226 vehicles per day (2020 count).

How long is KY-1105 over Unname Stream?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 27 ft wide.

Who owns KY-1105 over Unname Stream?

It is owned by the State Highway Agency.