FHWA NBI 2024 Inspection record Public-domain dataset

Rockhouse Mills Rd

Carrying Rockhouse Mills Rd over Rockhouse Fork

0.1 M W of JCT KY 1224, Martin, Kentucky

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Good
37 t Inventory load rating Lower than 59% of rated Kentucky bridges

Rockhouse Mills Rd in Martin, Kentucky sits above 41% of rated Kentucky bridges on inventory load rating (37 t), while its 2022 build year is earlier than 0% of Martin's recorded-year cohort (70 bridges).

Rockhouse Mills Rd in Martin, Kentucky is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 2022, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 8. The lowest applicable rating sets the federal condition category, so this Good result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.

NBI record plate

Structure KY:080C00061N

POST-2000 · PRESTRESS · SINGLE-SPAN · TIED-CTRL · LOCAL-ADT · STANDARD-LOAD · CAT-GOOD

  • POST-2000 2000+
  • PRESTRESS Prestressed concrete
  • SINGLE-SPAN Single span
  • TIED-CTRL Tied control
  • LOCAL-ADT Local ADT
  • STANDARD-LOAD Standard load
  • CAT-GOOD Good

Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.

Bridge Snapshot: Rockhouse Mills Rd

The Rockhouse Mills Rd bridge in Martin, Kentucky carries Rockhouse Mills Rd over Rockhouse Fork. It was built in 2022, making it 4 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 12.2 meters (40 feet) end to end. Daily traffic averages 90 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 8/9, superstructure at 8/9, substructure at 8/9. The weakest component sits in good condition. No reported major component scores in the Poor range under the current federal condition thresholds.

How Rockhouse Mills Rd compares

▼ 2.9
Load rating vs Kentucky average (39.5 t; 14,532 of 14,548 rated)
70
Bridges in Martin · 9 in Poor condition

Age against the county: built in 2022, earlier than 0 of Martin's 70 bridges with a recorded construction year (0%), against a county median build year of 1987. This is one of the newer structures in its county.

Rockhouse Mills Rd 36.6 t
Kentucky average (14,532 of 14,548 rated) 39.5 t

Live comparison across Kentucky bridges with a recorded inventory load rating (14,532 of 14,548 rated).

Rockhouse Mills Rd vs every rated Kentucky bridge

Inventory load rating (metric tons), FHWA NBI, this state

37 Top 59% higher than 41% of 14,532 bridges

rated Kentucky bridges, bucketed by value

Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source FHWA National Bridge Inventory · August 2026

Condition Ratings

Deck
8/9
Good (7–9)
Superstructure
8/9
Good (7–9)
Substructure
8/9
Good (7–9)
Inventory Load Rating
36.6 t
NBI inventory level (metric tons)
Overall Condition
Good

Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.

Reported 0–9 component ratings from the FHWA NBI. The highlighted component is the lowest reported input to this record’s current condition category; it is not a closure or live crossing-safety decision.

Martin inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 70 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.

Structural Details

Year Built
2022
Material
Prestressed Concrete
Number of Spans
1
Structure Length
12.2 m (40 ft)
Deck Width
3.7 m (12 ft)
Owner
County Highway Agency
Avg Daily Traffic
90 vehicles/day
Structure Number
080C00061N

Condition Analysis

  • The deck (driving surface) rates good at 8/9, with no significant deterioration on file.
  • The superstructure (beams and supports above the deck) rates good at 8/9, with no significant deterioration on file.
  • The substructure (piers and abutments) is in good condition (8/9), showing no significant deterioration.

How to read this record

This page shows what the last federal inspection recorded, not whether Rockhouse Mills 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 Rockhouse Mills Rd against other structures in Martin 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 Rockhouse Mills Rd?

Rockhouse Mills Rd in Martin, Kentucky has a deck rating of 8/9, superstructure rating of 8/9, and substructure rating of 8/9 on the FHWA's 0–9 scale.

How often is Rockhouse Mills Rd inspected?

Rockhouse Mills 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 90 vehicles per day.

What does “structurally deficient” mean in older bridge reports?

FHWA retired that reported status beginning with the 2018 archive. Rockhouse Mills 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 Rockhouse Mills Rd?

Rockhouse Mills Rd has an NBI inventory load rating of 36.6 metric tons.

Who is responsible for maintaining Rockhouse Mills Rd?

Rockhouse Mills Rd is owned and maintained by County Highway Agency.

How old is Rockhouse Mills Rd and does age affect safety?

Rockhouse Mills Rd was built in 2022, making it 4 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.

Data sourced from the Federal Highway Administration National Bridge Inventory. See our methodology for details. Retrieved and formatted by PlainBridges

Share this inspection record

Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.

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Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.