FRONTAGE ROAD 018
Carrying FRONTAGE ROAD 018 over IRRIGATION DITCH 001
1M 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 IRRIGATION DITCH 001. It was built in 1933, making it 93 years old today. It was last reconstructed in 1955, extending its service life. The structure is built primarily of wood or timber and spans 1 section, stretching 7.9 meters (26 feet) end to end. Daily traffic averages 279 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 6/9, superstructure at 5/9, substructure at 4/9. The weakest component sits in poor condition. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed. Its NBI inventory load rating is 21.8 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 How the historical reference is calculated.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
- 1955
- Material
- Wood or Timber
- Number of Spans
- 1
- Structure Length
- 7.9 m (26 ft)
- Deck Width
- 8.4 m (28 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 279 vehicles/day
- Structure Number
- L52086000+05001
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • At 6/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
- • The superstructure (beams and supports above the deck) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
- • At 4/9, the substructure (piers and abutments) is in poor shape, with advanced wear flagged for priority repair.
How to read this record
FRONTAGE ROAD 018 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 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 6/9, superstructure rating of 5/9, and substructure rating of 4/9 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 279 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 Poor 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 21.8 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 1955.
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.