US Bridges

Mackey RD over Jackson Branch

FairPosted for load

Hardin County, Kentucky · 0.3 MI East JCT US 31W · Structure no. 047C00053N

Built
1981
44 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
35 ft
1 main span
Daily traffic
140
2019 count
Owner
County
County Highway Agency

About this bridge

Mackey RD over Jackson Branch is a steel stringer/multi-beam or girder carrying Mackey RD over Jackson Branch in Hardin County, Kentucky. It was built in 1981, so it is 44 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. Its operating status is: posted for load restriction.

It carries about 140 vehicles a day, projected to reach 140 by 2039. The structure is 35 ft (10.7 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesMackey RD
CrossesJackson Branch
Location0.3 MI East JCT US 31W
RouteCounty Highway 1181
CountyHardin County
StateKentucky
Coordinates37.57417, -85.86
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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
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 alignment7: Better than present minimum criteria
Operating rating61.1 US tons
Inventory rating36.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length35 ft (10.7 m)
Longest span32 ft (9.8 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 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 Jackson Branch built?

It was built in 1981, making it 44 years old in 2025.

What condition is Mackey RD over Jackson Branch 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 Mackey RD over Jackson Branch carry?

About 140 vehicles per day (2019 count).

How long is Mackey RD over Jackson Branch?

The structure is 35 ft (10.7 m) long with a longest span of 32 ft (9.8 m) and a deck 25 ft wide.

Who owns Mackey RD over Jackson Branch?

It is owned by the County Highway Agency.