KY-415
Carrying KY-415 over SMITH CREEK
.40 MI SE JCT KY 350, Clinton, Kentucky
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: KY-415
The KY-415 bridge in Clinton, Kentucky carries KY-415 over SMITH CREEK. It was built in 1985, making it 41 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 22.3 meters (73 feet) end to end. Daily traffic averages 220 vehicles, placing it in the lower-traffic tier of Kentucky bridges. It is owned and maintained by State Highway Agency.
The latest FHWA inspection records show a deck rating of 5/9, superstructure at 4/9, substructure at 6/9. The weakest component sits in poor condition. At least one major component here scores 4 or below, triggering the FHWA's structurally deficient classification, a repair flag rather than a closure order. Its NBI inventory load rating is 0.1 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How KY-415 compares
Live comparison across Kentucky.
Sufficiency Rating
PlainBridge-computedCondition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1985
- Material
- Prestressed Concrete
- Number of Spans
- 1
- Structure Length
- 22.3 m (73 ft)
- Deck Width
- 8.7 m (29 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 220 vehicles/day
- Structure Number
- 027B00029N
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) rates fair at 5/9, minor deterioration that routine maintenance should address.
- • The superstructure (beams and supports above the deck) is in poor condition (4/9), showing advanced deterioration that may require priority repair.
- • At 6/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.
How to read this record
KY-415 is flagged structurally deficient, a federal repair-and-funding flag, not a closure order. Here is how to read that.
- NBI condition ratings reflect the most recent inspection, which can be up to 24 months old, treat them as a snapshot, not a live status.
- Understand what "structurally deficient" does and does not mean before drawing conclusions. What "structurally deficient" means
- Compare KY-415 against other structures in Clinton and across Kentucky. Kentucky bridges
- Noticed visible damage or a safety concern? Report it to the agency that owns the bridge, or call 911 in an emergency. How to report a bridge
Condition codes come straight from the FHWA National Bridge Inventory and are not a real-time safety judgment. Only the owning agency, a state DOT, county, or other owner, can post, restrict, or close a bridge.
Frequently Asked Questions
What do the condition ratings mean for KY-415?
KY-415 in Clinton, Kentucky has a deck rating of 5/9, superstructure rating of 4/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.
How often is KY-415 inspected?
KY-415 follows the FHWA's national bridge inspection cycle. It carries about 220 vehicles per day.
What does "structurally deficient" mean for a bridge?
KY-415 is currently classified as structurally deficient, a federal repair-and-funding flag, not a closure order.
What is the inventory load rating for KY-415?
KY-415 has an NBI inventory load rating of 0.1 metric tons.
Who is responsible for maintaining KY-415?
KY-415 is owned and maintained by State Highway Agency.
How old is KY-415 and does age affect safety?
KY-415 was built in 1985, making it 41 years old.
Disclaimer: Bridge condition data is from the FHWA NBI and reflects the last reported inspection. A structurally deficient rating does not mean a bridge is closed or unsafe for travel, it indicates the bridge requires repair or replacement. For current closure or safety information, contact your state DOT.
Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.