FRONTAGE ROAD 614
Carrying FRONTAGE ROAD 614 over INT SEP I 15
4M SW CASCADE, Cascade, Montana
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: FRONTAGE ROAD 614
The FRONTAGE ROAD 614 bridge in Cascade, Montana carries FRONTAGE ROAD 614 over INT SEP I 15. It was built in 1978, making it 48 years old today. The structure is built primarily of prestressed concrete. Daily traffic averages 2,189 vehicles, placing it in the moderately-trafficked tier of Montana bridges.
The latest FHWA inspection records show limited component ratings on file. The weakest component sits in unrated condition. None of this bridge's reported major components fall into the Poor condition range.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How FRONTAGE ROAD 614 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 How the historical reference is calculated.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
- 1978
- Material
- Prestressed Concrete
- Avg Daily Traffic
- 2,189 vehicles/day
- Structure Number
- L07614000+01601
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
This page shows what the last federal inspection recorded, not whether FRONTAGE ROAD 614 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 614 against other structures in Cascade 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 614?
FRONTAGE ROAD 614 in Cascade, Montana on the FHWA's 0–9 scale.
How often is FRONTAGE ROAD 614 inspected?
FRONTAGE ROAD 614'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 2,189 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. FRONTAGE ROAD 614 is currently shown as unrated condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for FRONTAGE ROAD 614?
An inventory load rating is not recorded for FRONTAGE ROAD 614.
Who is responsible for maintaining FRONTAGE ROAD 614?
Ownership is not specified for FRONTAGE ROAD 614 in the NBI.
How old is FRONTAGE ROAD 614 and does age affect safety?
FRONTAGE ROAD 614 was built in 1978, making it 48 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.