US Bridges

KY-135 over Unname Stream

GoodPosted for load

Crittenden County, Kentucky · 1.0 MI West of JCT Ky 297 · Structure no. 028B00040N

Built
1957
68 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete
Length
29 ft
2 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 1957, so it is 68 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. Its operating status is: posted for load restriction.

It carries about 109 vehicles a day, projected to reach 109 by 2043. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 13 mi (21 km).

Location

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CarriesKY-135
CrossesUnname Stream
Location1.0 MI West of JCT Ky 297
RouteState Highway 135
CountyCrittenden County
StateKentucky
Coordinates37.41694, -88.30361
Functional classRural Minor 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
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 spans2
Design loadH 15
Structure length29 ft (8.8 m)
Longest span14 ft (4.2 m)
Deck width0 ft (0 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 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-135 over Unname Stream built?

It was built in 1957, making it 68 years old in 2025.

What condition is KY-135 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 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 29 ft (8.8 m) long with a longest span of 14 ft (4.2 m).

Who owns KY-135 over Unname Stream?

It is owned by the State Highway Agency.