US Bridges

KY-109 over Mcknights Creek

PoorPosted for load

Christian County, Kentucky · 1.5 MI N.W. of JCT Ky 134 · Structure no. 024B00058N

Built
1932
93 years old
Condition
Poor
inspected June 2024
Type
Tee Beam
Concrete
Length
65 ft
2 main spans
Daily traffic
655
2018 count
Owner
State
State Highway Agency

About this bridge

KY-109 over Mcknights Creek is a concrete tee beam carrying KY-109 over Mcknights Creek in Christian County, Kentucky. It was built in 1932, so it is 93 years old, older than the Kentucky average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 655 vehicles a day, roughly 6% of them trucks, projected to reach 655 by 2038. The structure is 65 ft (19.8 m) long and 26 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

Location

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CarriesKY-109
CrossesMcknights Creek
Location1.5 MI N.W. of JCT Ky 134
RouteState Highway 109
CountyChristian County
StateKentucky
Coordinates37.08806, -87.625
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 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
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating67 US tons
Inventory rating40.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length65 ft (19.8 m)
Longest span30 ft (9.1 m)
Deck width26 ft (7.9 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic655 (2018)
Projected traffic655 by 2038
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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-109 over Mcknights Creek built?

It was built in 1932, making it 93 years old in 2025.

What condition is KY-109 over Mcknights Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2024.

How much traffic does KY-109 over Mcknights Creek carry?

About 655 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is KY-109 over Mcknights Creek?

The structure is 65 ft (19.8 m) long with a longest span of 30 ft (9.1 m) and a deck 26 ft wide.

Who owns KY-109 over Mcknights Creek?

It is owned by the State Highway Agency.