US Bridges

KY-500 over Knoblick Creek

Poor

Daviess County, Kentucky · .60 MI Nor. of JCT Ky 56 · Structure no. 030B00132N

Built
1975
50 years old
Condition
Poor
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
144 ft
4 main spans
Daily traffic
429
2022 count
Owner
State
State Highway Agency

About this bridge

KY-500 over Knoblick Creek is a prestressed concrete box beam or girders - multiple carrying KY-500 over Knoblick Creek in Daviess County, Kentucky. It was built in 1975, so it is 50 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 429 vehicles a day, projected to reach 429 by 2042. The structure is 144 ft (44 m) long and 24 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesKY-500
CrossesKnoblick Creek
Location.60 MI Nor. of JCT Ky 56
RouteState Highway 500
CountyDaviess County
StateKentucky
Coordinates37.70639, -87.32889
Functional classRural Local

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
Deck7 GoodSome minor problems.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.6 US tons
Inventory rating39.9 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans4
Design loadH 20
Structure length144 ft (44 m)
Longest span35 ft (10.7 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic429 (2022)
Projected traffic429 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-500 over Knoblick Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is KY-500 over Knoblick Creek 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 November 2023.

How much traffic does KY-500 over Knoblick Creek carry?

About 429 vehicles per day (2022 count).

How long is KY-500 over Knoblick Creek?

The structure is 144 ft (44 m) long with a longest span of 35 ft (10.7 m) and a deck 24 ft wide.

Who owns KY-500 over Knoblick Creek?

It is owned by the State Highway Agency.