FHWA NBI 2024 Inspection record Public-domain dataset

IRR BIA RTE 26

Carrying IRR BIA RTE 26 over UNNAMED STREAM

17.3KM NORTH OF KAKE, Prince of Wales-Hyder, Alaska

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
30 t Inventory load rating

Bridge Snapshot: IRR BIA RTE 26

The IRR BIA RTE 26 bridge in Prince of Wales-Hyder, Alaska carries IRR BIA RTE 26 over UNNAMED STREAM. It was built in 1980, making it 46 years old today. The structure is built primarily of wood or timber and spans 1 section, stretching 7.5 meters (25 feet) end to end. Daily traffic averages 5 vehicles, placing it in the lower-traffic tier of Alaska bridges. It is owned and maintained by Indian Tribal Government.

The latest FHWA inspection records show a deck rating of 5/9, superstructure at 5/9, substructure at 5/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 29.7 metric tons.

Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.

How IRR BIA RTE 26 compares

▼ 5.1
Load rating vs Alaska average (34.8 t)
Bottom 38%
Lower load rating than 62% of Alaska bridges
185
Bridges in Prince of Wales-Hyder · 14 in Poor condition
IRR BIA RTE 26 29.7 t
Alaska average 34.8 t

Live comparison across Alaska.

Historical Sufficiency Rating

PlainBridge-computed
69.7 / 100 - historical 50–79.9 band
Structural adequacy /55
43.6
Serviceability /30
19.3
Essentiality /15
14.9
Special reductions
−8.0

FHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.

Condition Ratings

Deck
5/9
Fair (5–6)
Superstructure
5/9
Fair (5–6)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
29.7 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1980
Material
Wood or Timber
Number of Spans
1
Structure Length
7.5 m (25 ft)
Deck Width
5.5 m (18 ft)
Owner
Indian Tribal Government
Avg Daily Traffic
5 vehicles/day
Structure Number
0000E09229T0260

Condition Analysis

  • The deck (driving surface) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
  • At 5/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • The substructure (piers and abutments) rates fair at 5/9, minor deterioration that routine maintenance should address.

How to read this record

This page shows what the last federal inspection recorded, not whether IRR BIA RTE 26 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 IRR BIA RTE 26 against other structures in Prince of Wales-Hyder 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 IRR BIA RTE 26?

IRR BIA RTE 26 in Prince of Wales-Hyder, Alaska has a deck rating of 5/9, superstructure rating of 5/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is IRR BIA RTE 26 inspected?

IRR BIA RTE 26'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 5 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. IRR BIA RTE 26 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 IRR BIA RTE 26?

IRR BIA RTE 26 has an NBI inventory load rating of 29.7 metric tons.

Who is responsible for maintaining IRR BIA RTE 26?

IRR BIA RTE 26 is owned and maintained by Indian Tribal Government.

How old is IRR BIA RTE 26 and does age affect safety?

IRR BIA RTE 26 was built in 1980, making it 46 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

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.