FDR 6590
Carrying FDR 6590 over STREAM - PERM
ZAREMBO ISLAND, Wrangell City and, Alaska
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
FDR 6590 in Wrangell City and, Alaska sits above 50% of rated Alaska bridges on inventory load rating (34 t), while its 1988 build year is earlier than 36% of Wrangell City and's recorded-year cohort (58 bridges).
FDR 6590 in Wrangell City and, Alaska is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 1988, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 7. The lowest applicable rating sets the federal condition category, so this Good 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:100220000001225
LATE-CENTURY · TIMBER · SINGLE-SPAN · TIED-CTRL · TRACE-ADT · STANDARD-LOAD · CAT-GOOD
- LATE-CENTURY 1980–1999
- TIMBER Wood or timber
- SINGLE-SPAN Single span
- TIED-CTRL Tied control
- TRACE-ADT Trace ADT
- STANDARD-LOAD Standard load
- CAT-GOOD Good
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: FDR 6590
The FDR 6590 bridge in Wrangell City and, Alaska carries FDR 6590 over STREAM - PERM. It was built in 1988, making it 38 years old today. The structure is built primarily of wood or timber and spans 1 section, stretching 35.4 meters (116 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 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. No reported major component scores in the Poor range under the current federal condition thresholds.
How FDR 6590 compares
Age against the county: built in 1988, earlier than 21 of Wrangell City and's 58 bridges with a recorded construction year (36%), against a county median build year of 1985. This is one of the newer structures in its county.
Live comparison across Alaska bridges with a recorded inventory load rating (1,679 of 1,685 rated).
FDR 6590 vs every rated Alaska bridge
Inventory load rating (metric tons), FHWA NBI, this state
34 Top 50% higher than 50% 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
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.
Wrangell City and inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 58 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
- 1988
- Material
- Wood or Timber
- Number of Spans
- 1
- Structure Length
- 35.4 m (116 ft)
- Deck Width
- 5.1 m (17 ft)
- Owner
- U.S. Forest Service
- Avg Daily Traffic
- 5 vehicles/day
- Structure Number
- 100220000001225
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.
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
This page shows what the last federal inspection recorded, not whether FDR 6590 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 FDR 6590 against other structures in Wrangell City and 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 FDR 6590?
FDR 6590 in Wrangell City and, 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 FDR 6590 inspected?
FDR 6590'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. FDR 6590 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 FDR 6590?
FDR 6590 has an NBI inventory load rating of 34.0 metric tons.
Who is responsible for maintaining FDR 6590?
FDR 6590 is owned and maintained by U.S. Forest Service.
How old is FDR 6590 and does age affect safety?
FDR 6590 was built in 1988, making it 38 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.
Share this inspection record
Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.
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.