US Bridges

Main Range Road over Mill Creek

Fair

Hardin County, Kentucky · 0.6 KM S of Steels Rng RD · Structure no. DAPTRAKNO0BDG04

Built
1959
66 years old, rebuilt 2012
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
82 ft
2 main spans
Daily traffic
80
2023 count
Owner
Federal
Army

About this bridge

Main Range Road over Mill Creek is a steel stringer/multi-beam or girder carrying Main Range Road over Mill Creek in Hardin County, Kentucky. It was built in 1959 and reconstructed in 2012, so it is 66 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 80 vehicles a day, roughly 25% of them trucks, projected to reach 100 by 2045. The structure is 82 ft (25 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesMain Range Road
CrossesMill Creek
Location0.6 KM S of Steels Rng RD
CountyHardin County
StateKentucky
Coordinates37.85722, -85.91444
Functional classRural 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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating81.5 US tons
Inventory rating62.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length82 ft (25 m)
Longest span39 ft (11.9 m)
Deck width28 ft (8.4 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2023)
Projected traffic100 by 2045
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerArmy
Maintained byArmy
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$2,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Main Range Road over Mill Creek built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 2012.

What condition is Main Range Road 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 Main Range Road over Mill Creek carry?

About 80 vehicles per day (2023 count), of which roughly 25% are trucks.

How long is Main Range Road over Mill Creek?

The structure is 82 ft (25 m) long with a longest span of 39 ft (11.9 m) and a deck 28 ft wide.

Who owns Main Range Road over Mill Creek?

It is owned by the Army.