US Bridges

KY-164 over Unnamed Branch

PoorPosted for load

Christian County, Kentucky · 1.8 MI S.W. of JCT Ky 117 · Structure no. 024B00066N

Built
1935
90 years old
Condition
Poor
inspected June 2023
Type
Culvert
Masonry
Length
21 ft
2 main spans
Daily traffic
906
2021 count
Owner
State
State Highway Agency

About this bridge

KY-164 over Unnamed Branch is a masonry culvert carrying KY-164 over Unnamed Branch in Christian County, Kentucky. It was built in 1935, so it is 90 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 906 vehicles a day, roughly 22% of them trucks, projected to reach 906 by 2041. The structure is 21 ft (6.4 m) long and 20 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesKY-164
CrossesUnnamed Branch
Location1.8 MI S.W. of JCT Ky 117
RouteState Highway 164
CountyChristian County
StateKentucky
Coordinates36.77833, -87.65111
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJune 2023
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 rating36.6 US tons
Inventory rating22 US tons

Structure

Structure typeCulvert
MaterialMasonry
DeckNot applicable
Main spans2
Design loadH 15
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width20 ft (6.1 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic906 (2021)
Projected traffic906 by 2041
Trucks22%
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 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-164 over Unnamed Branch built?

It was built in 1935, making it 90 years old in 2025.

What condition is KY-164 over Unnamed Branch 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 2023.

How much traffic does KY-164 over Unnamed Branch carry?

About 906 vehicles per day (2021 count), of which roughly 22% are trucks.

How long is KY-164 over Unnamed Branch?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 20 ft wide.

Who owns KY-164 over Unnamed Branch?

It is owned by the State Highway Agency.