GREENHOUSE RD
Carrying GREENHOUSE RD over DEMPSEY CREEK
5M S DEER LODGE, Powell, Montana
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: GREENHOUSE RD
The GREENHOUSE RD bridge in Powell, Montana carries GREENHOUSE RD over DEMPSEY CREEK. It was built in 2000, making it 26 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 6.6 meters (22 feet) end to end. Daily traffic averages 23 vehicles, placing it in the lower-traffic tier of Montana bridges. It is owned and maintained by County 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.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How GREENHOUSE 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 How the historical reference is calculated.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
- 2000
- Material
- Prestressed Concrete
- Number of Spans
- 1
- Structure Length
- 6.6 m (22 ft)
- Deck Width
- 6.7 m (22 ft)
- Owner
- County Highway Agency
- Avg Daily Traffic
- 23 vehicles/day
- Structure Number
- 000000202008010
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
- • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
- • The substructure (piers and abutments) rates good at 7/9, with no significant deterioration on file.
How to read this record
This page shows what the last federal inspection recorded, not whether GREENHOUSE 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 GREENHOUSE RD against other structures in Powell 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 GREENHOUSE RD?
GREENHOUSE RD in Powell, 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 GREENHOUSE RD inspected?
GREENHOUSE 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 23 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. GREENHOUSE 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 GREENHOUSE RD?
An inventory load rating is not recorded for GREENHOUSE RD.
Who is responsible for maintaining GREENHOUSE RD?
GREENHOUSE RD is owned and maintained by County Highway Agency.
How old is GREENHOUSE RD and does age affect safety?
GREENHOUSE RD was built in 2000, making it 26 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.