US Bridges

KY-337 over Cabin Branch

FairPosted for load

Marion County, Kentucky · .8 MI S of W-Jct Ky 49 · Structure no. 078B00017N

Built
1934
91 years old
Condition
Fair
inspected January 2023
Type
Culvert
Concrete
Length
30 ft
2 main spans
Daily traffic
346
2023 count
Owner
State
State Highway Agency

About this bridge

KY-337 over Cabin Branch is a concrete culvert carrying KY-337 over Cabin Branch in Marion County, Kentucky. It was built in 1934, so it is 91 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 346 vehicles a day, projected to reach 346 by 2043. The structure is 30 ft (9.1 m) long and 40 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesKY-337
CrossesCabin Branch
Location.8 MI S of W-Jct Ky 49
RouteState Highway 337
CountyMarion County
StateKentucky
Coordinates37.4825, -85.17056
Functional classRural Minor 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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.7 US tons
Inventory rating22 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span14 ft (4.3 m)
Deck width40 ft (12.2 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic346 (2023)
Projected traffic346 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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-337 over Cabin Branch built?

It was built in 1934, making it 91 years old in 2025.

What condition is KY-337 over Cabin 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 January 2023.

How much traffic does KY-337 over Cabin Branch carry?

About 346 vehicles per day (2023 count).

How long is KY-337 over Cabin Branch?

The structure is 30 ft (9.1 m) long with a longest span of 14 ft (4.3 m) and a deck 40 ft wide.

Who owns KY-337 over Cabin Branch?

It is owned by the State Highway Agency.