FHWA NBI 2024 Inspection record Public-domain dataset

MARGARET

Carrying MARGARET over NO DATA ENTERED

MARGARET, Ketchikan Gateway, Alaska

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
70 t Inventory load rating

Bridge Snapshot: MARGARET

The MARGARET bridge in Ketchikan Gateway, Alaska carries MARGARET over NO DATA ENTERED. It was built in 2010, making it 16 years old today. The structure is built primarily of wood or timber and spans 1 section, stretching 12.2 meters (40 feet) end to end. Average daily traffic is not reported for this structure. It is owned and maintained by U.S. Forest Service.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 7/9, 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 70.0 metric tons.

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

How MARGARET compares

▲ 35.2
Load rating vs Alaska average (34.8 t)
Top 5%
Higher load rating than 95% of Alaska bridges
56
Bridges in Ketchikan Gateway · 7 in Poor condition
MARGARET 70.0 t
Alaska average 34.8 t

Live comparison across Alaska.

Historical Sufficiency Rating

PlainBridge-computed
83.5 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
18.5
Essentiality /15
15.0
Special reductions
−5.0

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 How the historical reference is calculated.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
7/9
Good (7–9)
Superstructure
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
70.0 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
2010
Material
Wood or Timber
Number of Spans
1
Structure Length
12.2 m (40 ft)
Deck Width
5.5 m (18 ft)
Owner
U.S. Forest Service
Structure Number
100552000014651

Condition Analysis

  • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
  • At 7/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
  • The substructure (piers and abutments) is in good condition (7/9), showing no significant deterioration.

How to read this record

This page shows what the last federal inspection recorded, not whether MARGARET 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 MARGARET against other structures in Ketchikan Gateway 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 MARGARET?

MARGARET in Ketchikan Gateway, Alaska has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is MARGARET inspected?

MARGARET's responsible agency sets its routine interval under FHWA's risk-based inspection rules; this page does not expose the scheduled interval.

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

FHWA retired that reported status beginning with the 2018 archive. MARGARET 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 MARGARET?

MARGARET has an NBI inventory load rating of 70.0 metric tons.

Who is responsible for maintaining MARGARET?

MARGARET is owned and maintained by U.S. Forest Service.

How old is MARGARET and does age affect safety?

MARGARET was built in 2010, making it 16 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.