US Bridges

KY-415 over Duvall Creek

Fair

Clinton County, Kentucky · .10 MI West of JCT Ky 968 · Structure no. 027B00028N

Built
1980
45 years old
Condition
Fair
inspected December 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
29 ft
1 main span
Daily traffic
1,032
2021 count
Owner
State
State Highway Agency

About this bridge

KY-415 over Duvall Creek is a prestressed concrete box beam or girders - multiple carrying KY-415 over Duvall Creek in Clinton County, Kentucky. It was built in 1980, so it is 45 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,032 vehicles a day, projected to reach 1,032 by 2041. The structure is 29 ft (8.7 m) long and 21 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesKY-415
CrossesDuvall Creek
Location.10 MI West of JCT Ky 968
RouteState Highway 415
CountyClinton County
StateKentucky
Coordinates36.66861, -85.06306
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating88.7 US tons
Inventory rating53.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length29 ft (8.7 m)
Longest span27 ft (8.2 m)
Deck width21 ft (6.5 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,032 (2021)
Projected traffic1,032 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$74,000
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-415 over Duvall Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is KY-415 over Duvall Creek 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 December 2023.

How much traffic does KY-415 over Duvall Creek carry?

About 1,032 vehicles per day (2021 count).

How long is KY-415 over Duvall Creek?

The structure is 29 ft (8.7 m) long with a longest span of 27 ft (8.2 m) and a deck 21 ft wide.

Who owns KY-415 over Duvall Creek?

It is owned by the State Highway Agency.