US Bridges

I-64 Nc over Prewitt-Grassy Lick RD

Fair

Montgomery County, Kentucky · Wbl 1.2 MI E of Clark Cl · Structure no. 087B00024L

Built
1960
65 years old
Condition
Fair
inspected July 2021
Type
Tee Beam
Concrete
Length
159 ft
3 main spans
Daily traffic
12,764
2022 count
Owner
State
State Highway Agency

About this bridge

I-64 Nc over Prewitt-Grassy Lick RD is a concrete tee beam carrying I-64 Nc over Prewitt-Grassy Lick RD 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 12,764 vehicles a day, roughly 19% of them trucks, projected to reach 15,827 by 2042. The structure is 159 ft (48.6 m) long and 37 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesI-64 Nc
CrossesPrewitt-Grassy Lick RD
LocationWbl 1.2 MI E of Clark Cl
RouteInterstate 64
CountyMontgomery County
StateKentucky
Coordinates38.06361, -84.02056
Functional classRural Principal Arterial - Interstate

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2021
Inspection intervalevery 48 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 alignment7: Better than present minimum criteria
Operating rating97.6 US tons
Inventory rating58.6 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length159 ft (48.6 m)
Longest span50 ft (15.1 m)
Deck width37 ft (11.4 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,764 (2022)
Projected traffic15,827 by 2042
Trucks19%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$703,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-64 Nc over Prewitt-Grassy Lick RD built?

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

What condition is I-64 Nc over Prewitt-Grassy Lick RD 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 2021.

How much traffic does I-64 Nc over Prewitt-Grassy Lick RD carry?

About 12,764 vehicles per day (2022 count), of which roughly 19% are trucks.

How long is I-64 Nc over Prewitt-Grassy Lick RD?

The structure is 159 ft (48.6 m) long with a longest span of 50 ft (15.1 m) and a deck 37 ft wide.

Who owns I-64 Nc over Prewitt-Grassy Lick RD?

It is owned by the State Highway Agency.