US Bridges

Mackey RD over Pup Run

FairPosted for load

Hardin County, Kentucky · 1.1 MI E of JCT US 31W · Structure no. 047C00023N

Built
1977
48 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
36 ft
1 main span
Daily traffic
140
2019 count
Owner
County
County Highway Agency

About this bridge

Mackey RD over Pup Run is a steel stringer/multi-beam or girder carrying Mackey RD over Pup Run in Hardin County, Kentucky. It was built in 1977, so it is 48 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. Its operating status is: posted for load restriction.

It carries about 140 vehicles a day, projected to reach 140 by 2039. The structure is 36 ft (11 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesMackey RD
CrossesPup Run
Location1.1 MI E of JCT US 31W
RouteCounty Highway 1181
CountyHardin County
StateKentucky
Coordinates37.57694, -85.8475
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating23.4 US tons
Inventory rating14 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length36 ft (11 m)
Longest span34 ft (10.4 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic140 (2019)
Projected traffic140 by 2039
Trucks0%
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

OwnerCounty Highway Agency
Maintained byCounty 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 Mackey RD over Pup Run built?

It was built in 1977, making it 48 years old in 2025.

What condition is Mackey RD over Pup Run 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 2024.

How much traffic does Mackey RD over Pup Run carry?

About 140 vehicles per day (2019 count).

How long is Mackey RD over Pup Run?

The structure is 36 ft (11 m) long with a longest span of 34 ft (10.4 m) and a deck 26 ft wide.

Who owns Mackey RD over Pup Run?

It is owned by the County Highway Agency.