US Bridges

KY-434 over Mill Creek

Fair

Hardin County, Kentucky · 1.4 MI East of JCT US 31W · Structure no. 047B00067N

Built
1943
82 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete
Length
115 ft
4 main spans
Daily traffic
5,579
2023 count
Owner
State
State Highway Agency

About this bridge

KY-434 over Mill Creek is a concrete culvert carrying KY-434 over Mill Creek in Hardin County, Kentucky. It was built in 1943, so it is 82 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 5,579 vehicles a day, projected to reach 5,579 by 2043. The structure is 115 ft (35 m) long and 42 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesKY-434
CrossesMill Creek
Location1.4 MI East of JCT US 31W
RouteState Highway 434
CountyHardin County
StateKentucky
Coordinates37.78639, -85.88583
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating56.2 US tons
Inventory rating37.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadH 15
Structure length115 ft (35 m)
Longest span27 ft (8.1 m)
Deck width42 ft (12.8 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,579 (2023)
Projected traffic5,579 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-434 over Mill Creek built?

It was built in 1943, making it 82 years old in 2025.

What condition is KY-434 over Mill Creek 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 November 2023.

How much traffic does KY-434 over Mill Creek carry?

About 5,579 vehicles per day (2023 count).

How long is KY-434 over Mill Creek?

The structure is 115 ft (35 m) long with a longest span of 27 ft (8.1 m) and a deck 42 ft wide.

Who owns KY-434 over Mill Creek?

It is owned by the State Highway Agency.