US Bridges

KY-470 over South Fork Nolin River

Good

Larue County, Kentucky · .50 MI Sou. of JCT Ky 210 · Structure no. 062B00023N

Built
1968
57 years old
Condition
Good
inspected December 2021
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
980
2022 count
Owner
State
State Highway Agency

About this bridge

KY-470 over South Fork Nolin River is a concrete culvert carrying KY-470 over South Fork Nolin River in Larue County, Kentucky. It was built in 1968, so it is 57 years old, older than the Kentucky average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 980 vehicles a day, projected to reach 980 by 2042. The structure is 26 ft (7.8 m) long and 36 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesKY-470
CrossesSouth Fork Nolin River
Location.50 MI Sou. of JCT Ky 210
RouteState Highway 470
CountyLarue County
StateKentucky
Coordinates37.52417, -85.69167
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60.1 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length26 ft (7.8 m)
Longest span12 ft (3.8 m)
Deck width36 ft (11 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic980 (2022)
Projected traffic980 by 2042
Trucks0%
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-470 over South Fork Nolin River built?

It was built in 1968, making it 57 years old in 2025.

What condition is KY-470 over South Fork Nolin River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2021.

How much traffic does KY-470 over South Fork Nolin River carry?

About 980 vehicles per day (2022 count).

How long is KY-470 over South Fork Nolin River?

The structure is 26 ft (7.8 m) long with a longest span of 12 ft (3.8 m) and a deck 36 ft wide.

Who owns KY-470 over South Fork Nolin River?

It is owned by the State Highway Agency.