US Bridges

KY-429 over Shepherds Run

PoorPosted for load

Marion County, Kentucky · .2 MI S of Washington Cl · Structure no. 078B00062N

Built
1973
52 years old
Condition
Poor
inspected January 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
42 ft
1 main span
Daily traffic
580
2022 count
Owner
State
State Highway Agency

About this bridge

KY-429 over Shepherds Run is a prestressed concrete box beam or girders - multiple carrying KY-429 over Shepherds Run in Marion County, Kentucky. It was built in 1973, so it is 52 years old, older than the Kentucky average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 580 vehicles a day, roughly 5% of them trucks, projected to reach 580 by 2042. The structure is 42 ft (12.8 m) long and 27 ft wide. If it were closed, the detour would be 9.3 mi (15 km).

CarriesKY-429
CrossesShepherds Run
Location.2 MI S of Washington Cl
RouteState Highway 429
Coordinates37.64194, -85.29333
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating28.2 US tons
Inventory rating16.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length42 ft (12.8 m)
Longest span39 ft (11.9 m)
Deck width27 ft (8.1 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic580 (2022)
Projected traffic580 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.3 mi (15 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 KY-429 over Shepherds Run built?

It was built in 1973, making it 52 years old in 2025.

What condition is KY-429 over Shepherds Run in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2024.

How much traffic does KY-429 over Shepherds Run carry?

About 580 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is KY-429 over Shepherds Run?

The structure is 42 ft (12.8 m) long with a longest span of 39 ft (11.9 m) and a deck 27 ft wide.

Who owns KY-429 over Shepherds Run?

It is owned by the State Highway Agency.