US Bridges

KY-1991 over I-64

Fair

Montgomery County, Kentucky · 1.8 MI N of JCT US 60 · Structure no. 087B00030N

Built
1960
65 years old
Condition
Fair
inspected July 2023
Type
Tee Beam
Concrete Continuous
Length
185 ft
2 main spans
Daily traffic
747
2021 count
Owner
State
State Highway Agency

About this bridge

KY-1991 over I-64 is a concrete continuous tee beam carrying KY-1991 over I-64 in Montgomery 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 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 747 vehicles a day, projected to reach 747 by 2041. The structure is 185 ft (56.4 m) long and 34 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesKY-1991
CrossesI-64
Location1.8 MI N of JCT US 60
RouteState Highway 1991
CountyMontgomery County
StateKentucky
Coordinates38.085, -83.92556
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating57.5 US tons
Inventory rating34.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length185 ft (56.4 m)
Longest span91 ft (27.7 m)
Deck width34 ft (10.3 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic747 (2021)
Projected traffic747 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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-1991 over I-64 built?

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

What condition is KY-1991 over I-64 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-1991 over I-64 carry?

About 747 vehicles per day (2021 count).

How long is KY-1991 over I-64?

The structure is 185 ft (56.4 m) long with a longest span of 91 ft (27.7 m) and a deck 34 ft wide.

Who owns KY-1991 over I-64?

It is owned by the State Highway Agency.