IRR BIA RTE 10
Carrying IRR BIA RTE 10 over FLAMBEAU BEAR RIVER
6KM NW OF LAC DU FLAMBEAU, Iron, Wisconsin
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: IRR BIA RTE 10
The IRR BIA RTE 10 bridge in Iron, Wisconsin carries IRR BIA RTE 10 over FLAMBEAU BEAR RIVER. It was built in 1932, making it 94 years old today. It was last reconstructed in 1958, extending its service life. The structure is built primarily of wood or timber and spans 2 sections, stretching 11.3 meters (37 feet) end to end. Daily traffic averages 50 vehicles, placing it in the lower-traffic tier of Wisconsin bridges. It is owned and maintained by Bureau of Indian Affairs.
The latest FHWA inspection records show a deck rating of 5/9, superstructure at 5/9, substructure at 3/9. The weakest component sits in poor condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules. Its NBI inventory load rating is 17.8 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How IRR BIA RTE 10 compares
Live comparison across Wisconsin.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1932
- Last Reconstructed
- 1958
- Material
- Wood or Timber
- Number of Spans
- 2
- Structure Length
- 11.3 m (37 ft)
- Deck Width
- 7.9 m (26 ft)
- Owner
- Bureau of Indian Affairs
- Avg Daily Traffic
- 50 vehicles/day
- Structure Number
- 00000000000F303
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) rates fair at 5/9, minor deterioration that routine maintenance should address.
- • The superstructure (beams and supports above the deck) rates fair at 5/9, minor deterioration that routine maintenance should address.
- • At 3/9, the substructure (piers and abutments) is in poor shape, with advanced wear flagged for priority repair.
How to read this record
IRR BIA RTE 10 is in the federal Poor condition category. That is a component-based result, not a closure order.
- NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
- Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
- Compare IRR BIA RTE 10 against other structures in Iron and across Wisconsin. Wisconsin 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 10?
IRR BIA RTE 10 in Iron, Wisconsin has a deck rating of 5/9, superstructure rating of 5/9, and substructure rating of 3/9 on the FHWA's 0–9 scale.
How often is IRR BIA RTE 10 inspected?
IRR BIA RTE 10'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 50 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 10 is currently shown as Poor 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 10?
IRR BIA RTE 10 has an NBI inventory load rating of 17.8 metric tons.
Who is responsible for maintaining IRR BIA RTE 10?
IRR BIA RTE 10 is owned and maintained by Bureau of Indian Affairs.
How old is IRR BIA RTE 10 and does age affect safety?
IRR BIA RTE 10 was built in 1932, making it 94 years old and last reconstructed in 1958.
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.
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.