FHWA NBI 2024 Inspection record Public-domain dataset

IRON MOUNTAIN RD

Carrying IRON MOUNTAIN RD over WOLF LICK CREEK

4.3 MI N JCT KY 106, Logan, Kentucky

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair
34 t Inventory load rating Lower than 68% of rated Kentucky bridges

IRON MOUNTAIN RD in Logan, Kentucky is rated Fair in the FHWA's 2024 National Bridge Inventory.

Built in 1995, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 6. The lowest applicable rating sets the federal condition category, so this Fair 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:071C00081N

LATE-CENTURY · PRESTRESS · SINGLE-SPAN · TIED-CTRL · LOCAL-ADT · STANDARD-LOAD · CAT-FAIR

  • LATE-CENTURY 1980–1999
  • PRESTRESS Prestressed concrete
  • SINGLE-SPAN Single span
  • TIED-CTRL Tied control
  • LOCAL-ADT Local ADT
  • STANDARD-LOAD Standard load
  • CAT-FAIR Fair

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: IRON MOUNTAIN RD

The IRON MOUNTAIN RD bridge in Logan, Kentucky carries IRON MOUNTAIN RD over WOLF LICK CREEK. It was built in 1995, making it 31 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 28.3 meters (93 feet) end to end. Daily traffic averages 57 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 6/9, superstructure at 6/9, substructure at 7/9. The weakest component sits in fair condition. All reported major components score above the Poor range.

How IRON MOUNTAIN RD compares

▼ 6.0
Load rating vs Kentucky average (39.5 t; 14,532 of 14,548 rated)
135
Bridges in Logan · 5 in Poor condition

Age against the county: built in 1995, earlier than 35 of Logan's 135 bridges with a recorded construction year (26%), against a county median build year of 1987. This is one of the newer structures in its county.

IRON MOUNTAIN RD 33.5 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).

IRON MOUNTAIN RD vs every rated Kentucky bridge

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

34 Top 68% higher than 32% 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
6/9
Fair (5–6)
Superstructure
6/9
Fair (5–6)
Substructure
7/9
Good (7–9)
Inventory Load Rating
33.5 t
NBI inventory level (metric tons)
Overall Condition
Fair

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.

Logan inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 135 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
1995
Material
Prestressed Concrete
Number of Spans
1
Structure Length
28.3 m (93 ft)
Deck Width
6.1 m (20 ft)
Owner
County Highway Agency
Avg Daily Traffic
57 vehicles/day
Structure Number
071C00081N

Condition Analysis

  • The deck (driving surface) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • The superstructure (beams and supports above the deck) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • At 7/9, the substructure (piers and abutments) is in good shape and shows no significant wear.

How to read this record

This page shows what the last federal inspection recorded, not whether IRON MOUNTAIN 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 IRON MOUNTAIN RD against other structures in Logan 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 IRON MOUNTAIN RD?

IRON MOUNTAIN RD in Logan, Kentucky has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is IRON MOUNTAIN RD inspected?

IRON MOUNTAIN 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 57 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. IRON MOUNTAIN RD is currently shown as Fair condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for IRON MOUNTAIN RD?

IRON MOUNTAIN RD has an NBI inventory load rating of 33.5 metric tons.

Who is responsible for maintaining IRON MOUNTAIN RD?

IRON MOUNTAIN RD is owned and maintained by County Highway Agency.

How old is IRON MOUNTAIN RD and does age affect safety?

IRON MOUNTAIN RD was built in 1995, making it 31 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

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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.