US Bridges

KY-446-10 Nc Y over US 31-W

Fair

Warren County, Kentucky · WB over US 31W Ntrchnge · Structure no. 114B00034N

Built
1965
60 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
247 ft
4 main spans
Daily traffic
15,082
2023 count
Owner
State
State Highway Agency

About this bridge

KY-446-10 Nc Y over US 31-W is a steel stringer/multi-beam or girder carrying KY-446-10 Nc Y over US 31-W in Warren County, Kentucky. It was built in 1965, so it is 60 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 15,082 vehicles a day, roughly 16% of them trucks, projected to reach 15,082 by 2043. The structure is 247 ft (75.3 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesKY-446-10 Nc Y
CrossesUS 31-W
LocationWB over US 31W Ntrchnge
RouteState Highway 446
CountyWarren County
StateKentucky
Coordinates37.01056, -86.38167
Functional classUrban Other Principal Arterial

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.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.6 US tons
Inventory rating47.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length247 ft (75.3 m)
Longest span68 ft (20.7 m)
Deck width27 ft (8.3 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,082 (2023)
Projected traffic15,082 by 2043
Trucks16%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$802,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was KY-446-10 Nc Y over US 31-W built?

It was built in 1965, making it 60 years old in 2025.

What condition is KY-446-10 Nc Y over US 31-W 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 August 2023.

How much traffic does KY-446-10 Nc Y over US 31-W carry?

About 15,082 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is KY-446-10 Nc Y over US 31-W?

The structure is 247 ft (75.3 m) long with a longest span of 68 ft (20.7 m) and a deck 27 ft wide.

Who owns KY-446-10 Nc Y over US 31-W?

It is owned by the State Highway Agency.