US Bridges

KY-237 over I 275

Fair

Boone County, Kentucky · 1 MI N of JCT Ky 20 · Structure no. 008B00050R

Built
1976
49 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
212 ft
2 main spans
Daily traffic
6,757
2022 count
Owner
State
State Highway Agency

About this bridge

KY-237 over I 275 is a steel continuous stringer/multi-beam or girder carrying KY-237 over I 275 in Boone County, Kentucky. It was built in 1976, so it is 49 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 6,757 vehicles a day, roughly 6% of them trucks, projected to reach 6,757 by 2042. The structure is 212 ft (64.6 m) long and 40 ft wide.

Location

Open in Google Maps
CarriesKY-237
CrossesI 275
Location1 MI N of JCT Ky 20
RouteState Highway 237
CountyBoone County
StateKentucky
Coordinates39.08111, -84.70917
Functional classUrban Minor 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating76.2 US tons
Inventory rating45.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length212 ft (64.6 m)
Longest span116 ft (35.4 m)
Deck width40 ft (12.1 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,757 (2022)
Projected traffic6,757 by 2042
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-237 over I 275 built?

It was built in 1976, making it 49 years old in 2025.

What condition is KY-237 over I 275 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 June 2023.

How much traffic does KY-237 over I 275 carry?

About 6,757 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is KY-237 over I 275?

The structure is 212 ft (64.6 m) long with a longest span of 116 ft (35.4 m) and a deck 40 ft wide.

Who owns KY-237 over I 275?

It is owned by the State Highway Agency.