IS 270Y HOV RAMP
Carrying IS 270Y HOV RAMP over IS 270Y MEDIAN
AT WESTLAKE TERRACE, Montgomery, Maryland
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: IS 270Y HOV RAMP
The IS 270Y HOV RAMP bridge in Montgomery, Maryland carries IS 270Y HOV RAMP over IS 270Y MEDIAN. It was built in 2003, making it 23 years old today. The structure is built primarily of steel and spans 6 sections, stretching 153.9 meters (505 feet) end to end. Daily traffic averages 114,000 vehicles, placing it in the heavily-trafficked tier of Maryland bridges. It is owned and maintained by State Highway Agency.
The latest FHWA inspection records show a deck rating of 7/9, superstructure at 8/9, substructure at 7/9. The weakest component sits in good condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 47.6 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How IS 270Y HOV RAMP compares
Live comparison across Maryland.
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 How the historical reference is calculated.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
- Steel
- Number of Spans
- 6
- Structure Length
- 153.9 m (505 ft)
- Deck Width
- 14.0 m (46 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 114,000 vehicles/day
- Structure Number
- 100000150182010
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) rates good at 8/9, with no significant deterioration on file.
- • 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 IS 270Y HOV RAMP 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 IS 270Y HOV RAMP against other structures in Montgomery and across Maryland. Maryland 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 IS 270Y HOV RAMP?
IS 270Y HOV RAMP in Montgomery, Maryland has a deck rating of 7/9, superstructure rating of 8/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.
How often is IS 270Y HOV RAMP inspected?
IS 270Y HOV RAMP'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 114,000 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. IS 270Y HOV RAMP 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 IS 270Y HOV RAMP?
IS 270Y HOV RAMP has an NBI inventory load rating of 47.6 metric tons.
Who is responsible for maintaining IS 270Y HOV RAMP?
IS 270Y HOV RAMP is owned and maintained by State Highway Agency.
How old is IS 270Y HOV RAMP and does age affect safety?
IS 270Y HOV RAMP 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.