US Bridges

KY-34 over Herrington Lake

Fair

Boyle County, Kentucky · West / Garrard CO Line · Structure no. 011B00053N

Built
1990
35 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
638 ft
3 main spans
Daily traffic
12,188
2021 count
Owner
State
State Highway Agency

About this bridge

KY-34 over Herrington Lake is a steel continuous stringer/multi-beam or girder carrying KY-34 over Herrington Lake in Boyle County, Kentucky. It was built in 1990, so it is 35 years old, younger 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 12,188 vehicles a day, roughly 8% of them trucks, projected to reach 12,188 by 2041. The structure is 638 ft (194.5 m) long and 48 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesKY-34
CrossesHerrington Lake
LocationWest / Garrard CO Line
RouteState Highway 34
CountyBoyle County
StateKentucky
Coordinates37.67778, -84.68278
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating28.2 US tons
Inventory rating16.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length638 ft (194.5 m)
Longest span380 ft (115.8 m)
Deck width48 ft (14.5 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,188 (2021)
Projected traffic12,188 by 2041
Trucks8%
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-34 over Herrington Lake built?

It was built in 1990, making it 35 years old in 2025.

What condition is KY-34 over Herrington Lake 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 October 2024.

How much traffic does KY-34 over Herrington Lake carry?

About 12,188 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is KY-34 over Herrington Lake?

The structure is 638 ft (194.5 m) long with a longest span of 380 ft (115.8 m) and a deck 48 ft wide.

Who owns KY-34 over Herrington Lake?

It is owned by the State Highway Agency.