US Bridges

Main Range Road over Mill Creek

Fair

Hardin County, Kentucky · 0.3 KM S of Porter Rvr RD · Structure no. DAPTRAKNO0BDG02

Built
1997
28 years old
Condition
Fair
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
185 ft
4 main spans
Daily traffic
80
2023 count
Owner
Federal
Army

About this bridge

Main Range Road over Mill Creek is a prestressed concrete box beam or girders - multiple carrying Main Range Road over Mill Creek in Hardin County, Kentucky. It was built in 1997, so it is 28 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 80 vehicles a day, roughly 25% of them trucks, projected to reach 150 by 2045. The structure is 185 ft (56.3 m) long and 21 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesMain Range Road
CrossesMill Creek
Location0.3 KM S of Porter Rvr RD
CountyHardin County
StateKentucky
Coordinates37.90694, -85.90417
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating105.4 US tons
Inventory rating83.6 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 25 or greater
Structure length185 ft (56.3 m)
Longest span50 ft (15.2 m)
Deck width21 ft (6.4 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2023)
Projected traffic150 by 2045
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 1997, making it 28 years old in 2025.

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 185 ft (56.3 m) long with a longest span of 50 ft (15.2 m) and a deck 21 ft wide.

Who owns Main Range Road over Mill Creek?

It is owned by the Army.