STILLWATER RIV RD
Carrying STILLWATER RIV RD over W FORK STILLWATER RIVER
1M N NYE, Stillwater, Montana
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: STILLWATER RIV RD
The STILLWATER RIV RD bridge in Stillwater, Montana carries STILLWATER RIV RD over W FORK STILLWATER RIVER. It was built in 2003, making it 23 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 24.0 meters (79 feet) end to end. Daily traffic averages 721 vehicles, placing it in the lower-traffic tier of Montana bridges. It is owned and maintained by State Highway Agency.
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. Its NBI inventory load rating is 24.5 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How STILLWATER RIV RD compares
Live comparison across Montana.
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 How the historical reference is calculated.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
- 2003
- Material
- Prestressed Concrete
- Number of Spans
- 1
- Structure Length
- 24.0 m (79 ft)
- Deck Width
- 9.9 m (32 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 721 vehicles/day
- Structure Number
- S00419021+04001
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) rates good at 7/9, with no significant deterioration on file.
- • At 7/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
- • At 7/9, 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 STILLWATER RIV RD 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 STILLWATER RIV RD against other structures in Stillwater 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 STILLWATER RIV RD?
STILLWATER RIV RD in Stillwater, Montana 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 STILLWATER RIV RD inspected?
STILLWATER RIV RD'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 721 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. STILLWATER RIV RD 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 STILLWATER RIV RD?
STILLWATER RIV RD has an NBI inventory load rating of 24.5 metric tons.
Who is responsible for maintaining STILLWATER RIV RD?
STILLWATER RIV RD is owned and maintained by State Highway Agency.
How old is STILLWATER RIV RD and does age affect safety?
STILLWATER RIV RD was built in 2003, making it 23 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.
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.