US Bridges

Ky 1790 over I-64

Poor

Shelby County, Kentucky · 2.0 MI W of Ky 714 · Structure no. 106B00047N

Built
1960
65 years old
Condition
Poor
inspected August 2023
Type
Tee Beam
Concrete
Length
332 ft
6 main spans
Daily traffic
619
2021 count
Owner
State
State Highway Agency

About this bridge

Ky 1790 over I-64 is a concrete tee beam carrying Ky 1790 over I-64 in Shelby County, Kentucky. It was built in 1960, so it is 65 years old, older than the Kentucky average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 619 vehicles a day, projected to reach 619 by 2041. The structure is 332 ft (101.2 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesKy 1790
CrossesI-64
Location2.0 MI W of Ky 714
RouteState Highway 1790
CountyShelby County
StateKentucky
Coordinates38.17306, -85.15944
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

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.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating63.6 US tons
Inventory rating38.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadH 15
Structure length332 ft (101.2 m)
Longest span58 ft (17.7 m)
Deck width31 ft (9.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic619 (2021)
Projected traffic619 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 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 1790 over I-64 built?

It was built in 1960, making it 65 years old in 2025.

What condition is Ky 1790 over I-64 in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2023.

How much traffic does Ky 1790 over I-64 carry?

About 619 vehicles per day (2021 count).

How long is Ky 1790 over I-64?

The structure is 332 ft (101.2 m) long with a longest span of 58 ft (17.7 m) and a deck 31 ft wide.

Who owns Ky 1790 over I-64?

It is owned by the State Highway Agency.