FHWA NBI 2024 Inspection record Public-domain dataset

IRR BIA RTE 2

Carrying IRR BIA RTE 2 over DAWSON CREEK

2.4 KM SE OF E.GLACIER, Glacier, Montana

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
25 t Inventory load rating

Bridge Snapshot: IRR BIA RTE 2

The IRR BIA RTE 2 bridge in Glacier, Montana carries IRR BIA RTE 2 over DAWSON CREEK. It was built in 1932, making it 94 years old today. It was last reconstructed in 1980, extending its service life. The structure is built primarily of steel and spans 1 section, stretching 9.8 meters (32 feet) end to end. Daily traffic averages 100 vehicles, placing it in the lower-traffic tier of Montana bridges. It is owned and maintained by Bureau of Indian Affairs.

The latest FHWA inspection records show a deck rating of 4/9, superstructure at 5/9, substructure at 6/9. 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 25.2 metric tons.

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

How IRR BIA RTE 2 compares

▼ 5.5
Load rating vs Montana average (30.7 t)
Bottom 33%
Lower load rating than 67% of Montana bridges
68
Bridges in Glacier · 4 in Poor condition
IRR BIA RTE 2 25.2 t
Montana average 30.7 t

Live comparison across Montana.

Historical Sufficiency Rating

PlainBridge-computed
60.7 / 100 - historical 50–79.9 band
Structural adequacy /55
38.7
Serviceability /30
9.7
Essentiality /15
14.4
Special reductions
−2.2

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 How the historical reference is calculated.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
4/9
Poor (1–4)
Superstructure
5/9
Fair (5–6)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
25.2 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1932
Last Reconstructed
1980
Material
Steel
Number of Spans
1
Structure Length
9.8 m (32 ft)
Deck Width
6.6 m (22 ft)
Owner
Bureau of Indian Affairs
Avg Daily Traffic
100 vehicles/day
Structure Number
00000000000C107

Condition Analysis

  • At 4/9, the deck (driving surface) is in poor shape, with advanced wear flagged for priority repair.
  • The superstructure (beams and supports above the deck) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
  • At 6/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

IRR BIA RTE 2 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 2 against other structures in Glacier and across Montana. Montana 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 2?

IRR BIA RTE 2 in Glacier, Montana has a deck rating of 4/9, superstructure rating of 5/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is IRR BIA RTE 2 inspected?

IRR BIA RTE 2'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 100 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 2 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 2?

IRR BIA RTE 2 has an NBI inventory load rating of 25.2 metric tons.

Who is responsible for maintaining IRR BIA RTE 2?

IRR BIA RTE 2 is owned and maintained by Bureau of Indian Affairs.

How old is IRR BIA RTE 2 and does age affect safety?

IRR BIA RTE 2 was built in 1932, making it 94 years old and last reconstructed in 1980.

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.