US Bridges

KY-135 over Unname Stream

FairPosted for load

Crittenden County, Kentucky · 1.0 MI West of JCT Ky 723 · Structure no. 028B00026N

Built
1953
72 years old
Condition
Fair
inspected March 2024
Type
Culvert
Concrete
Length
38 ft
3 main spans
Daily traffic
109
2023 count
Owner
State
State Highway Agency

About this bridge

KY-135 over Unname Stream is a concrete culvert carrying KY-135 over Unname Stream in Crittenden 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 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 109 vehicles a day, projected to reach 109 by 2043. The structure is 38 ft (11.6 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesKY-135
CrossesUnname Stream
Location1.0 MI West of JCT Ky 723
RouteState Highway 135
Coordinates37.42778, -88.26194
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: 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 rating25 US tons
Inventory rating15 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length38 ft (11.6 m)
Longest span12 ft (3.7 m)
Deck width32 ft (9.8 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic109 (2023)
Projected traffic109 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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-135 over Unname Stream built?

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

What condition is KY-135 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 2024.

How much traffic does KY-135 over Unname Stream carry?

About 109 vehicles per day (2023 count).

How long is KY-135 over Unname Stream?

The structure is 38 ft (11.6 m) long with a longest span of 12 ft (3.7 m) and a deck 32 ft wide.

Who owns KY-135 over Unname Stream?

It is owned by the State Highway Agency.