US Bridges

Mountain Pky Nc over I-64

Fair

Clark County, Kentucky · Wbl Ovr I-64 Interchange · Structure no. 025B00055N

Built
1962
63 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
336 ft
4 main spans
Daily traffic
14,691
2023 count
Owner
State
State Highway Agency

About this bridge

Mountain Pky Nc over I-64 is a steel stringer/multi-beam or girder carrying Mountain Pky Nc over I-64 in Clark County, Kentucky. It was built in 1962, so it is 63 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 14,691 vehicles a day, roughly 9% of them trucks, projected to reach 14,691 by 2043. The structure is 336 ft (102.4 m) long and 29 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesMountain Pky Nc
CrossesI-64
LocationWbl Ovr I-64 Interchange
RouteState Highway 9000
CountyClark County
StateKentucky
Coordinates38.01944, -84.14917
Functional classRural Principal Arterial - Other

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 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 alignment6: Equal to present minimum criteria
Operating rating59 US tons
Inventory rating35.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length336 ft (102.4 m)
Longest span98 ft (29.8 m)
Deck width29 ft (8.8 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,691 (2023)
Projected traffic14,691 by 2043
Trucks9%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemYes

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 Mountain Pky Nc over I-64 built?

It was built in 1962, making it 63 years old in 2025.

What condition is Mountain Pky Nc 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 October 2023.

How much traffic does Mountain Pky Nc over I-64 carry?

About 14,691 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is Mountain Pky Nc over I-64?

The structure is 336 ft (102.4 m) long with a longest span of 98 ft (29.8 m) and a deck 29 ft wide.

Who owns Mountain Pky Nc over I-64?

It is owned by the State Highway Agency.