US Bridges

Mildred RD over Laurel Fork

FairPosted for load

Jackson County, Kentucky · 1.5 MI NW of JCT US 421 · Structure no. 055C00008N

Built
1968
57 years old
Condition
Fair
inspected January 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
32 ft
1 main span
Daily traffic
150
2012 count
Owner
County
County Highway Agency

About this bridge

Mildred RD over Laurel Fork is a prestressed concrete box beam or girders - multiple carrying Mildred RD over Laurel Fork in Jackson County, Kentucky. It was built in 1968, so it is 57 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 150 vehicles a day, projected to reach 150 by 2032. The structure is 32 ft (9.8 m) long and 21 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesMildred RD
CrossesLaurel Fork
Location1.5 MI NW of JCT US 421
RouteCounty Highway 1184
CountyJackson County
StateKentucky
Coordinates37.36056, -83.93222
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 protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating63.7 US tons
Inventory rating38.3 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadH 20
Structure length32 ft (9.8 m)
Longest span28 ft (8.5 m)
Deck width21 ft (6.4 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2012)
Projected traffic150 by 2032
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$84,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Mildred RD over Laurel Fork built?

It was built in 1968, making it 57 years old in 2025.

What condition is Mildred RD over Laurel Fork 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 January 2024.

How much traffic does Mildred RD over Laurel Fork carry?

About 150 vehicles per day (2012 count).

How long is Mildred RD over Laurel Fork?

The structure is 32 ft (9.8 m) long with a longest span of 28 ft (8.5 m) and a deck 21 ft wide.

Who owns Mildred RD over Laurel Fork?

It is owned by the County Highway Agency.