US Bridges

KY-604 over Western Ky Parkway

Fair

Muhlenberg County, Kentucky · .7 Mi. S JCT US 62 · Structure no. 089B00133N

Built
2000
25 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
166 ft
4 main spans
Daily traffic
533
2017 count
Owner
State
State Highway Agency

About this bridge

KY-604 over Western Ky Parkway is a prestressed concrete continuous box beam or girders - single or spread carrying KY-604 over Western Ky Parkway in Muhlenberg County, Kentucky. It was built in 2000, so it is 25 years old, younger 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 533 vehicles a day, projected to reach 533 by 2037. The structure is 166 ft (50.6 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesKY-604
CrossesWestern Ky Parkway
Location.7 Mi. S JCT US 62
RouteState Highway 604
CountyMuhlenberg County
StateKentucky
Coordinates37.28222, -87.1025
Functional classUrban 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.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 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 rating53.6 US tons
Inventory rating32.1 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 25 or greater
Structure length166 ft (50.6 m)
Longest span50 ft (15.2 m)
Deck width29 ft (8.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic533 (2017)
Projected traffic533 by 2037
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$189,000
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-604 over Western Ky Parkway built?

It was built in 2000, making it 25 years old in 2025.

What condition is KY-604 over Western Ky Parkway 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 September 2023.

How much traffic does KY-604 over Western Ky Parkway carry?

About 533 vehicles per day (2017 count).

How long is KY-604 over Western Ky Parkway?

The structure is 166 ft (50.6 m) long with a longest span of 50 ft (15.2 m) and a deck 29 ft wide.

Who owns KY-604 over Western Ky Parkway?

It is owned by the State Highway Agency.