US Bridges

KY-473 over Unnamed Stream

PoorPosted for load

Ballard County, Kentucky · .90 MI N.W. of JCT Ky 358 · Structure no. 004B00034N

Built
1966
59 years old
Condition
Poor
inspected July 2024
Type
Channel Beam
Concrete
Length
34 ft
1 main span
Daily traffic
313
2023 count
Owner
State
State Highway Agency

About this bridge

KY-473 over Unnamed Stream is a concrete channel beam carrying KY-473 over Unnamed Stream in Ballard County, Kentucky. It was built in 1966, so it is 59 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 313 vehicles a day, projected to reach 313 by 2043. The structure is 34 ft (10.3 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesKY-473
CrossesUnnamed Stream
Location.90 MI N.W. of JCT Ky 358
RouteState Highway 473
CountyBallard County
StateKentucky
Coordinates37.1525, -88.94528
Functional classRural Local

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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating16.9 US tons
Inventory rating10.3 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadH 15
Structure length34 ft (10.3 m)
Longest span32 ft (9.8 m)
Deck width33 ft (10.2 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic313 (2023)
Projected traffic313 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-473 over Unnamed Stream built?

It was built in 1966, making it 59 years old in 2025.

What condition is KY-473 over Unnamed Stream 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 July 2024.

How much traffic does KY-473 over Unnamed Stream carry?

About 313 vehicles per day (2023 count).

How long is KY-473 over Unnamed Stream?

The structure is 34 ft (10.3 m) long with a longest span of 32 ft (9.8 m) and a deck 33 ft wide.

Who owns KY-473 over Unnamed Stream?

It is owned by the State Highway Agency.