US Bridges

KY-337 over North Rolling Fork River

FairPosted for load

Marion County, Kentucky · 2.5 MI S.W. of JCT Ky 243 · Structure no. 078B00040N

Built
1950
75 years old
Condition
Fair
inspected January 2024
Type
Tee Beam
Concrete
Length
215 ft
5 main spans
Daily traffic
163
2022 count
Owner
State
State Highway Agency

About this bridge

KY-337 over North Rolling Fork River is a concrete tee beam carrying KY-337 over North Rolling Fork River in Marion County, Kentucky. It was built in 1950, so it is 75 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. Its operating status is: posted for load restriction.

It carries about 163 vehicles a day, projected to reach 163 by 2042. The structure is 215 ft (65.5 m) long and 28 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

Open in Google Maps
CarriesKY-337
CrossesNorth Rolling Fork River
Location2.5 MI S.W. of JCT Ky 243
RouteState Highway 337
CountyMarion County
StateKentucky
Coordinates37.54111, -85.07528
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: 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 rating56.3 US tons
Inventory rating33.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadH 20
Structure length215 ft (65.5 m)
Longest span40 ft (12.2 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic163 (2022)
Projected traffic163 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 North Rolling Fork River built?

It was built in 1950, making it 75 years old in 2025.

What condition is KY-337 over North Rolling Fork River 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 2024.

How much traffic does KY-337 over North Rolling Fork River carry?

About 163 vehicles per day (2022 count).

How long is KY-337 over North Rolling Fork River?

The structure is 215 ft (65.5 m) long with a longest span of 40 ft (12.2 m) and a deck 28 ft wide.

Who owns KY-337 over North Rolling Fork River?

It is owned by the State Highway Agency.