FHWA NBI 2024 Inspection record Public-domain dataset

WISEMAN ROAD

Carrying WISEMAN ROAD over WISEMAN BRIDGE

MILE POINT 2.7, Yukon-Koyukuk, Alaska

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair
19 t Inventory load rating Lower than 92% of rated Alaska bridges

WISEMAN ROAD in Yukon-Koyukuk, Alaska sits above 8% of rated Alaska bridges on inventory load rating (19 t), while its 1995 build year is earlier than 22% of Yukon-Koyukuk's recorded-year cohort (94 bridges).

WISEMAN ROAD in Yukon-Koyukuk, Alaska is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1995, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 5. 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:1547

LATE-CENTURY · STEEL · SINGLE-SPAN · TIED-CTRL · TRACE-ADT · LIGHT-LOAD · CAT-FAIR

  • LATE-CENTURY 1980–1999
  • STEEL Steel
  • SINGLE-SPAN Single span
  • TIED-CTRL Tied control
  • TRACE-ADT Trace ADT
  • LIGHT-LOAD Light 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: WISEMAN ROAD

The WISEMAN ROAD bridge in Yukon-Koyukuk, Alaska carries WISEMAN ROAD over WISEMAN BRIDGE. It was built in 1995, making it 31 years old today. The structure is built primarily of steel and spans 1 section, stretching 25.3 meters (83 feet) end to end. Daily traffic averages 40 vehicles, placing it in the lower-traffic tier of Alaska bridges. It is owned and maintained by City/Municipal Highway Agency.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 5/9, substructure at 5/9. The weakest component sits in fair condition. All reported major components score above the Poor range.

How WISEMAN ROAD compares

▼ 19.3
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 1995, earlier than 21 of Yukon-Koyukuk's 94 bridges with a recorded construction year (22%), against a county median build year of 1972. This is one of the newer structures in its county.

WISEMAN ROAD 18.9 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).

WISEMAN ROAD vs every rated Alaska bridge

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

19 Top 92% higher than 8% 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
5/9
Fair (5–6)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
18.9 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
1995
Material
Steel
Number of Spans
1
Structure Length
25.3 m (83 ft)
Deck Width
4.3 m (14 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
40 vehicles/day
Structure Number
1547

Condition Analysis

  • The deck (driving surface) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • The superstructure (beams and supports above the deck) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
  • At 5/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

This page shows what the last federal inspection recorded, not whether WISEMAN 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 WISEMAN 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 WISEMAN ROAD?

WISEMAN ROAD in Yukon-Koyukuk, Alaska has a deck rating of 6/9, superstructure rating of 5/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is WISEMAN ROAD inspected?

WISEMAN 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 40 vehicles per day.

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

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

WISEMAN ROAD has an NBI inventory load rating of 18.9 metric tons.

Who is responsible for maintaining WISEMAN ROAD?

WISEMAN ROAD is owned and maintained by City/Municipal Highway Agency.

How old is WISEMAN ROAD and does age affect safety?

WISEMAN ROAD was built in 1995, making it 31 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.