FHWA NBI 2024 Inspection record Public-domain dataset

RD 3822

Carrying RD 3822 over BIG CREEK

W FK BIG CR, Mineral, Montana

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
33 t Inventory load rating

Bridge Snapshot: RD 3822

The RD 3822 bridge in Mineral, Montana carries RD 3822 over BIG CREEK. It was built in 2019, making it 7 years old today. The structure is built primarily of steel and spans 1 section, stretching 22.6 meters (74 feet) end to end. Daily traffic averages 50 vehicles, placing it in the lower-traffic tier of Montana bridges. It is owned and maintained by U.S. Forest Service.

The latest FHWA inspection records show a deck rating of 9/9, superstructure at 9/9, substructure at 9/9. The weakest component sits in good condition. All reported major components score above the Poor range. Its NBI inventory load rating is 33.0 metric tons.

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

How RD 3822 compares

▲ 2.3
Load rating vs Montana average (30.7 t)
Top 28%
Higher load rating than 72% of Montana bridges
152
Bridges in Mineral · 14 in Poor condition
RD 3822 33.0 t
Montana average 30.7 t

Live comparison across Montana.

Historical Sufficiency Rating

PlainBridge-computed
80.8 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
18.5
Essentiality /15
12.3
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 How the historical reference is calculated.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
9/9
Good (7–9)
Superstructure
9/9
Good (7–9)
Substructure
9/9
Good (7–9)
Inventory Load Rating
33.0 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
2019
Material
Steel
Number of Spans
1
Structure Length
22.6 m (74 ft)
Deck Width
4.9 m (16 ft)
Owner
U.S. Forest Service
Avg Daily Traffic
50 vehicles/day
Structure Number
011607000033794

Condition Analysis

  • At 9/9, the deck (driving surface) is in good shape and shows no significant wear.
  • The superstructure (beams and supports above the deck) rates good at 9/9, with no significant deterioration on file.
  • At 9/9, the substructure (piers and abutments) is in good shape and shows no significant wear.

How to read this record

This page shows what the last federal inspection recorded, not whether RD 3822 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 RD 3822 against other structures in Mineral 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 RD 3822?

RD 3822 in Mineral, Montana has a deck rating of 9/9, superstructure rating of 9/9, and substructure rating of 9/9 on the FHWA's 0–9 scale.

How often is RD 3822 inspected?

RD 3822'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. RD 3822 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 RD 3822?

RD 3822 has an NBI inventory load rating of 33.0 metric tons.

Who is responsible for maintaining RD 3822?

RD 3822 is owned and maintained by U.S. Forest Service.

How old is RD 3822 and does age affect safety?

RD 3822 was built in 2019, making it 7 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.