US Bridges

Ky 146 over I-71

Fair

Henry County, Kentucky · 0.75 MI W of Ky 153 · Structure no. 052B00026N

Built
1968
57 years old
Condition
Fair
inspected July 2023
Type
Tee Beam
Concrete Continuous
Length
371 ft
4 main spans
Daily traffic
3,116
2019 count
Owner
State
State Highway Agency

About this bridge

Ky 146 over I-71 is a concrete continuous tee beam carrying Ky 146 over I-71 in Henry 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 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.

It carries about 3,116 vehicles a day, roughly 12% of them trucks, projected to reach 3,116 by 2039. The structure is 371 ft (113.1 m) long and 34 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesKy 146
CrossesI-71
Location0.75 MI W of Ky 153
RouteState Highway 146
CountyHenry County
StateKentucky
Coordinates38.44889, -85.30417
Functional classRural Major 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.4 US tons
Inventory rating33.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length371 ft (113.1 m)
Longest span101 ft (30.8 m)
Deck width34 ft (10.3 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,116 (2019)
Projected traffic3,116 by 2039
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ky 146 over I-71 built?

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

What condition is Ky 146 over I-71 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 July 2023.

How much traffic does Ky 146 over I-71 carry?

About 3,116 vehicles per day (2019 count), of which roughly 12% are trucks.

How long is Ky 146 over I-71?

The structure is 371 ft (113.1 m) long with a longest span of 101 ft (30.8 m) and a deck 34 ft wide.

Who owns Ky 146 over I-71?

It is owned by the State Highway Agency.