SMITH MARTIN RD
Carrying SMITH MARTIN RD over GRAYS RUN
.6 MI S. JCT KY 32, Harrison, Kentucky
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: SMITH MARTIN RD
The SMITH MARTIN RD bridge in Harrison, Kentucky carries SMITH MARTIN RD over GRAYS RUN. It was built in 1996, making it 30 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 15.2 meters (50 feet) end to end. Daily traffic averages 182 vehicles, placing it in the lower-traffic tier of Kentucky bridges. It is owned and maintained by County Highway Agency.
The latest FHWA inspection records show a deck rating of 7/9, superstructure at 7/9, substructure at 7/9. The weakest component sits in good condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 30.7 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How SMITH MARTIN RD compares
Live comparison across Kentucky.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1996
- Material
- Prestressed Concrete
- Number of Spans
- 1
- Structure Length
- 15.2 m (50 ft)
- Deck Width
- 4.9 m (16 ft)
- Owner
- County Highway Agency
- Avg Daily Traffic
- 182 vehicles/day
- Structure Number
- 049C00118N
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) rates good at 7/9, with no significant deterioration on file.
- • The superstructure (beams and supports above the deck) rates good at 7/9, with no significant deterioration on file.
- • The substructure (piers and abutments) rates good at 7/9, with no significant deterioration on file.
How to read this record
This page shows what the last federal inspection recorded, not whether SMITH MARTIN RD is safe to cross today. Here is how to use it.
- NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
- Learn how the 0–9 condition scale and Good/Fair/Poor categories are defined. How condition ratings work
- Compare SMITH MARTIN RD against other structures in Harrison 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 SMITH MARTIN RD?
SMITH MARTIN RD in Harrison, Kentucky has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.
How often is SMITH MARTIN RD inspected?
SMITH MARTIN RD's responsible agency sets its routine interval under FHWA's risk-based inspection rules; this page does not expose the scheduled interval. It carries about 182 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. SMITH MARTIN RD is currently shown as Good condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for SMITH MARTIN RD?
SMITH MARTIN RD has an NBI inventory load rating of 30.7 metric tons.
Who is responsible for maintaining SMITH MARTIN RD?
SMITH MARTIN RD is owned and maintained by County Highway Agency.
How old is SMITH MARTIN RD and does age affect safety?
SMITH MARTIN RD was built in 1996, making it 30 years old.
Disclaimer: Bridge condition data is from the FHWA NBI and reflects the last reported inspection. A Poor condition rating is not a live declaration that a bridge is closed or unsafe for travel. For current closure, posting, or safety information, contact the responsible transportation agency.
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.