FRONTAGE ROAD 018
Carrying FRONTAGE ROAD 018 over DRAINAGE 010
4M E HYSHAM, Treasure, Montana
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: FRONTAGE ROAD 018
The FRONTAGE ROAD 018 bridge in Treasure, Montana carries FRONTAGE ROAD 018 over DRAINAGE 010. It was built in 1933, making it 93 years old today. It was last reconstructed in 1954, extending its service life. The structure is built primarily of wood or timber and spans 2 sections, stretching 11.9 meters (39 feet) end to end. Daily traffic averages 218 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 5/9, substructure at 5/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 22.7 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How FRONTAGE ROAD 018 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 How the historical reference is calculated.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
- 1933
- Last Reconstructed
- 1954
- Material
- Wood or Timber
- Number of Spans
- 2
- Structure Length
- 11.9 m (39 ft)
- Deck Width
- 8.5 m (28 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 218 vehicles/day
- Structure Number
- L52086003+08001
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
- • The superstructure (beams and supports above the deck) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
- • At 5/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.
How to read this record
This page shows what the last federal inspection recorded, not whether FRONTAGE ROAD 018 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 FRONTAGE ROAD 018 against other structures in Treasure 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 FRONTAGE ROAD 018?
FRONTAGE ROAD 018 in Treasure, Montana has a deck rating of 7/9, superstructure rating of 5/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.
How often is FRONTAGE ROAD 018 inspected?
FRONTAGE ROAD 018'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 218 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. FRONTAGE ROAD 018 is currently shown as Fair condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for FRONTAGE ROAD 018?
FRONTAGE ROAD 018 has an NBI inventory load rating of 22.7 metric tons.
Who is responsible for maintaining FRONTAGE ROAD 018?
FRONTAGE ROAD 018 is owned and maintained by State Highway Agency.
How old is FRONTAGE ROAD 018 and does age affect safety?
FRONTAGE ROAD 018 was built in 1933, making it 93 years old and last reconstructed in 1954.
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.