US Bridges

KY-356 over S. Fork Twin Creek

PoorPosted for load

Harrison County, Kentucky · .2 MI W of W-Jct Ky 1842 · Structure no. 049B00031N

Built
1961
64 years old
Condition
Poor
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
37 ft
1 main span
Daily traffic
472
2023 count
Owner
State
State Highway Agency

About this bridge

KY-356 over S. Fork Twin Creek is a prestressed concrete box beam or girders - multiple carrying KY-356 over S. Fork Twin Creek in Harrison County, Kentucky. It was built in 1961, so it is 64 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 472 vehicles a day, projected to reach 472 by 2043. The structure is 37 ft (11.3 m) long and 21 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesKY-356
CrossesS. Fork Twin Creek
Location.2 MI W of W-Jct Ky 1842
RouteState Highway 356
Coordinates38.40833, -84.39944
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
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating32.5 US tons
Inventory rating19.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadH 20
Structure length37 ft (11.3 m)
Longest span32 ft (9.8 m)
Deck width21 ft (6.5 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic472 (2023)
Projected traffic472 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$99,000
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-356 over S. Fork Twin Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is KY-356 over S. Fork Twin Creek 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 October 2024.

How much traffic does KY-356 over S. Fork Twin Creek carry?

About 472 vehicles per day (2023 count).

How long is KY-356 over S. Fork Twin Creek?

The structure is 37 ft (11.3 m) long with a longest span of 32 ft (9.8 m) and a deck 21 ft wide.

Who owns KY-356 over S. Fork Twin Creek?

It is owned by the State Highway Agency.