FHWA NBI 2024 Inspection record Public-domain dataset

DENALI PARK ROAD

Carrying DENALI PARK ROAD over IGLOO CREEK

37.18 MILES WEST OF AK R, Yukon-Koyukuk, Alaska

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair
25 t Inventory load rating Lower than 80% of rated Alaska bridges

DENALI PARK ROAD in Yukon-Koyukuk, Alaska sits above 20% of rated Alaska bridges on inventory load rating (25 t), while its 1956 build year is earlier than 88% of Yukon-Koyukuk's recorded-year cohort (94 bridges).

DENALI PARK ROAD in Yukon-Koyukuk, Alaska is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1956, 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 AK:9830010P0000000

INTERSTATE-ERA · STEEL · SINGLE-SPAN · TIED-CTRL · ARTERIAL-ADT · STANDARD-LOAD · CAT-FAIR

  • INTERSTATE-ERA 1950–1979
  • STEEL Steel
  • SINGLE-SPAN Single span
  • TIED-CTRL Tied control
  • ARTERIAL-ADT Arterial 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: DENALI PARK ROAD

The DENALI PARK ROAD bridge in Yukon-Koyukuk, Alaska carries DENALI PARK ROAD over IGLOO CREEK. It was built in 1956, making it 70 years old today. The structure is built primarily of steel and spans 1 section, stretching 13.1 meters (43 feet) end to end. Daily traffic averages 1,300 vehicles, placing it in the moderately-trafficked tier of Alaska bridges. It is owned and maintained by National Park Service.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 7/9, substructure at 6/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds.

How DENALI PARK ROAD compares

▼ 13.7
Load rating vs Alaska average (38.2 t; 1,679 of 1,685 rated)
94
Bridges in Yukon-Koyukuk · 8 in Poor condition

Age against the county: built in 1956, earlier than 83 of Yukon-Koyukuk's 94 bridges with a recorded construction year (88%), against a county median build year of 1972. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

DENALI PARK ROAD 24.5 t
Alaska average (1,679 of 1,685 rated) 38.2 t

Live comparison across Alaska bridges with a recorded inventory load rating (1,679 of 1,685 rated).

DENALI PARK ROAD vs every rated Alaska bridge

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

25 Top 80% higher than 20% of 1,679 bridges

rated Alaska 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
7/9
Good (7–9)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
24.5 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.

Yukon-Koyukuk inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 94 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
1956
Material
Steel
Number of Spans
1
Structure Length
13.1 m (43 ft)
Deck Width
8.5 m (28 ft)
Owner
National Park Service
Avg Daily Traffic
1,300 vehicles/day
Structure Number
9830010P0000000

Condition Analysis

  • The deck (driving surface) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • 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 fair at 6/9, minor deterioration that routine maintenance should address.

How to read this record

This page shows what the last federal inspection recorded, not whether DENALI PARK ROAD 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 DENALI PARK ROAD against other structures in Yukon-Koyukuk and across Alaska. Alaska 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 DENALI PARK ROAD?

DENALI PARK ROAD in Yukon-Koyukuk, Alaska has a deck rating of 6/9, superstructure rating of 7/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is DENALI PARK ROAD inspected?

DENALI PARK ROAD'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 1,300 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. DENALI PARK ROAD 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 DENALI PARK ROAD?

DENALI PARK ROAD has an NBI inventory load rating of 24.5 metric tons.

Who is responsible for maintaining DENALI PARK ROAD?

DENALI PARK ROAD is owned and maintained by National Park Service.

How old is DENALI PARK ROAD and does age affect safety?

DENALI PARK ROAD was built in 1956, making it 70 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.