US Bridges

Mount Zion RD over Mill Creek

FairPosted for load

Hardin County, Kentucky · 1.2 MI NE of JCT US 31W · Structure no. 047C00011N

Built
1965
60 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
30 ft
2 main spans
Daily traffic
22
2009 count
Owner
County
County Highway Agency

About this bridge

Mount Zion RD over Mill Creek is a steel continuous stringer/multi-beam or girder carrying Mount Zion RD over Mill Creek in Hardin County, Kentucky. It was built in 1965, so it is 60 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. Its operating status is: posted for load restriction.

It carries about 22 vehicles a day, projected to reach 22 by 2029. The structure is 30 ft (9.1 m) long and 18 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesMount Zion RD
CrossesMill Creek
Location1.2 MI NE of JCT US 31W
RouteCounty Highway 1084
CountyHardin County
StateKentucky
Coordinates37.7675, -85.88611
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being 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 alignment6: Equal to present minimum criteria
Operating rating30 US tons
Inventory rating18 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span15 ft (4.6 m)
Deck width18 ft (5.5 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22 (2009)
Projected traffic22 by 2029
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$39,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Mount Zion RD over Mill Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is Mount Zion RD 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 May 2023.

How much traffic does Mount Zion RD over Mill Creek carry?

About 22 vehicles per day (2009 count).

How long is Mount Zion RD over Mill Creek?

The structure is 30 ft (9.1 m) long with a longest span of 15 ft (4.6 m) and a deck 18 ft wide.

Who owns Mount Zion RD over Mill Creek?

It is owned by the County Highway Agency.