FHWA NBI 2024 Inspection record Public-domain dataset

IRR:AIRPORT ROAD

Carrying IRR:AIRPORT ROAD over HOONAH FERRY TERMINAL

HOONAH, Hoonah-Angoon, Alaska

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
41 t Inventory load rating

Bridge Snapshot: IRR:AIRPORT ROAD

The IRR:AIRPORT ROAD bridge in Hoonah-Angoon, Alaska carries IRR:AIRPORT ROAD over HOONAH FERRY TERMINAL. It was built in 2011, making it 15 years old today. The structure is built primarily of steel and spans 1 section, stretching 40.5 meters (133 feet) end to end. Daily traffic averages 45 vehicles, placing it in the lower-traffic tier of Alaska bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 8/9, superstructure at 8/9, substructure at 7/9. The weakest component sits in good condition. All reported major components score above the Poor range. Its NBI inventory load rating is 40.8 metric tons.

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

How IRR:AIRPORT ROAD compares

▲ 6.0
Load rating vs Alaska average (34.8 t)
Top 28%
Higher load rating than 72% of Alaska bridges
115
Bridges in Hoonah-Angoon · 18 in Poor condition
IRR:AIRPORT ROAD 40.8 t
Alaska average 34.8 t

Live comparison across Alaska.

Historical Sufficiency Rating

PlainBridge-computed
77.7 / 100 - historical 50–79.9 band
Structural adequacy /55
55.0
Serviceability /30
16.3
Essentiality /15
14.5
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 How the historical reference is calculated.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
8/9
Good (7–9)
Superstructure
8/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
40.8 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
2011
Material
Steel
Number of Spans
1
Structure Length
40.5 m (133 ft)
Deck Width
5.1 m (17 ft)
Owner
State Highway Agency
Avg Daily Traffic
45 vehicles/day
Structure Number
0179

Condition Analysis

  • The deck (driving surface) is in good condition (8/9), showing no significant deterioration.
  • The superstructure (beams and supports above the deck) rates good at 8/9, 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 IRR:AIRPORT 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 IRR:AIRPORT ROAD against other structures in Hoonah-Angoon 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:AIRPORT ROAD?

IRR:AIRPORT ROAD in Hoonah-Angoon, Alaska has a deck rating of 8/9, superstructure rating of 8/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is IRR:AIRPORT ROAD inspected?

IRR:AIRPORT 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 45 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. IRR:AIRPORT ROAD 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 IRR:AIRPORT ROAD?

IRR:AIRPORT ROAD has an NBI inventory load rating of 40.8 metric tons.

Who is responsible for maintaining IRR:AIRPORT ROAD?

IRR:AIRPORT ROAD is owned and maintained by State Highway Agency.

How old is IRR:AIRPORT ROAD and does age affect safety?

IRR:AIRPORT ROAD was built in 2011, making it 15 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.