Ramp EN
Carrying Ramp EN over MD 200 (ICC) US29 Rp SE
MD200EB Ramp EN to US29NB, Montgomery, Maryland
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
Ramp EN in Montgomery, Maryland sits above 47% of rated Maryland bridges on inventory load rating (44 t), while its 2011 build year is earlier than 5% of Montgomery's recorded-year cohort (515 bridges).
Ramp EN in Montgomery, Maryland is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 2011, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 7. The lowest applicable rating sets the federal condition category, so this Good result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.
NBI record plate
Structure MD:300000M-V164010
POST-2000 · STEEL · LONG-SPAN-RUN · TIED-CTRL · ARTERIAL-ADT · HEAVY-LOAD · CAT-GOOD
- POST-2000 2000+
- STEEL Steel
- LONG-SPAN-RUN 6 spans
- TIED-CTRL Tied control
- ARTERIAL-ADT Arterial ADT
- HEAVY-LOAD Heavy load
- CAT-GOOD Good
Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.
Bridge Snapshot: Ramp EN
The Ramp EN bridge in Montgomery, Maryland carries Ramp EN over MD 200 (ICC) US29 Rp SE. It was built in 2011, making it 15 years old today. The structure is built primarily of steel continuous and spans 6 sections, stretching 409.0 meters (1342 feet) end to end. Daily traffic averages 5,902 vehicles, placing it in the moderately-trafficked tier of Maryland bridges. It is owned and maintained by State Toll Authority.
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. All reported major components score above the Poor range.
How Ramp EN compares
Age against the county: built in 2011, earlier than 25 of Montgomery's 515 bridges with a recorded construction year (5%), against a county median build year of 1982. This is one of the newer structures in its county.
Live comparison across Maryland bridges with a recorded inventory load rating (5,479 of 5,484 rated).
Ramp EN vs every rated Maryland bridge
Inventory load rating (metric tons), FHWA NBI, this state
44 Top 53% higher than 47% of 5,479 bridges
rated Maryland bridges, bucketed by value
Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source FHWA National Bridge Inventory · August 2026
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Reported 0–9 component ratings from the FHWA NBI. The highlighted component is the lowest reported input to this record’s current condition category; it is not a closure or live crossing-safety decision.
Montgomery inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 515 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.
Structural Details
- Year Built
- 2011
- Material
- Steel Continuous
- Number of Spans
- 6
- Structure Length
- 409.0 m (1342 ft)
- Deck Width
- 10.7 m (35 ft)
- Owner
- State Toll Authority
- Avg Daily Traffic
- 5,902 vehicles/day
- Structure Number
- 300000M-V164010
Condition Analysis
- • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
- • At 7/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
- • At 7/9, the substructure (piers and abutments) is in good shape and shows no significant wear.
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 Ramp EN 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 Ramp EN 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 Ramp EN?
Ramp EN in Montgomery, Maryland 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 Ramp EN inspected?
Ramp EN'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 5,902 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. Ramp EN 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 Ramp EN?
Ramp EN has an NBI inventory load rating of 43.5 metric tons.
Who is responsible for maintaining Ramp EN?
Ramp EN is owned and maintained by State Toll Authority.
How old is Ramp EN and does age affect safety?
Ramp EN was built in 2011, making it 15 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.
Share this inspection record
Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.
Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.