US Bridges

KY-121 over Branch

Fair

Calloway County, Kentucky · .40 MI East of JCT Ky 183 · Structure no. 018B00038N

Built
1937
88 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
1,817
2020 count
Owner
State
State Highway Agency

About this bridge

KY-121 over Branch is a concrete culvert carrying KY-121 over Branch in Calloway County, Kentucky. It was built in 1937, so it is 88 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.

It carries about 1,817 vehicles a day, roughly 8% of them trucks, projected to reach 1,817 by 2040. The structure is 23 ft (7 m) long. If it were closed, the detour would be 32.3 mi (52 km).

Location

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CarriesKY-121
CrossesBranch
Location.40 MI East of JCT Ky 183
RouteState Highway 121
CountyCalloway County
StateKentucky
Coordinates36.64806, -88.43778
Functional classRural Major 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating44 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,817 (2020)
Projected traffic1,817 by 2040
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed32.3 mi (52 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-121 over Branch built?

It was built in 1937, making it 88 years old in 2025.

What condition is KY-121 over Branch 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 May 2023.

How much traffic does KY-121 over Branch carry?

About 1,817 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is KY-121 over Branch?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m).

Who owns KY-121 over Branch?

It is owned by the State Highway Agency.