FHWA NBI 2024 Inspection record Public-domain dataset

PARKLAWN ENTRANCE

Carrying PARKLAWN ENTRANCE over ROCK CREEK

RT 28 SOUTH OF ROCKVILLE, Montgomery, Maryland

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair
23 t Inventory load rating Lower than 95% of rated Maryland bridges

PARKLAWN ENTRANCE in Montgomery, Maryland sits above 5% of rated Maryland bridges on inventory load rating (23 t), while its 1950 build year is earlier than 87% of Montgomery's recorded-year cohort (515 bridges).

PARKLAWN ENTRANCE in Montgomery, Maryland is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1950, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 5. The lowest applicable rating sets the federal condition category, so this Fair 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:200000M-PK17010

INTERSTATE-ERA · STEEL · SINGLE-SPAN · SUPER-LED · TRACE-ADT · STANDARD-LOAD · CAT-FAIR

  • INTERSTATE-ERA 1950–1979
  • STEEL Steel
  • SINGLE-SPAN Single span
  • SUPER-LED Superstructure-led
  • TRACE-ADT Trace ADT
  • STANDARD-LOAD Standard load
  • CAT-FAIR Fair

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: PARKLAWN ENTRANCE

The PARKLAWN ENTRANCE bridge in Montgomery, Maryland carries PARKLAWN ENTRANCE over ROCK CREEK. It was built in 1950, making it 76 years old today. It was last reconstructed in 2002, extending its service life. The structure is built primarily of steel and spans 1 section, stretching 12.3 meters (40 feet) end to end. Daily traffic averages 27 vehicles, placing it in the lower-traffic tier of Maryland bridges. It is owned and maintained by Local Park/Forest/Reservation.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 5/9, substructure at 7/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range.

How PARKLAWN ENTRANCE compares

▼ 27.4
Load rating vs Maryland average (50.1 t; 5,479 of 5,484 rated)
515
Bridges in Montgomery · 25 in Poor condition

Age against the county: built in 1950, earlier than 448 of Montgomery's 515 bridges with a recorded construction year (87%), against a county median build year of 1982. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

PARKLAWN ENTRANCE 22.7 t
Maryland average (5,479 of 5,484 rated) 50.1 t

Live comparison across Maryland bridges with a recorded inventory load rating (5,479 of 5,484 rated).

PARKLAWN ENTRANCE vs every rated Maryland bridge

Inventory load rating (metric tons), FHWA NBI, this state

23 Top 95% higher than 5% 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

Deck
7/9
Good (7–9)
Superstructure
5/9
Fair (5–6)
Substructure
7/9
Good (7–9)
Inventory Load Rating
22.7 t
NBI inventory level (metric tons)
Overall Condition
Fair

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
1950
Last Reconstructed
2002
Material
Steel
Number of Spans
1
Structure Length
12.3 m (40 ft)
Deck Width
3.4 m (11 ft)
Owner
Local Park/Forest/Reservation
Avg Daily Traffic
27 vehicles/day
Structure Number
200000M-PK17010

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.
  • The substructure (piers and abutments) rates good at 7/9, with no significant deterioration on file.

How to read this record

This page shows what the last federal inspection recorded, not whether PARKLAWN ENTRANCE 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 PARKLAWN ENTRANCE 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 PARKLAWN ENTRANCE?

PARKLAWN ENTRANCE in Montgomery, Maryland has a deck rating of 7/9, superstructure rating of 5/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is PARKLAWN ENTRANCE inspected?

PARKLAWN ENTRANCE'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 27 vehicles per day.

What does “structurally deficient” mean in older bridge reports?

FHWA retired that reported status beginning with the 2018 archive. PARKLAWN ENTRANCE 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 PARKLAWN ENTRANCE?

PARKLAWN ENTRANCE has an NBI inventory load rating of 22.7 metric tons.

Who is responsible for maintaining PARKLAWN ENTRANCE?

PARKLAWN ENTRANCE is owned and maintained by Local Park/Forest/Reservation.

How old is PARKLAWN ENTRANCE and does age affect safety?

PARKLAWN ENTRANCE was built in 1950, making it 76 years old and last reconstructed in 2002.

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.

Data sourced from the Federal Highway Administration National Bridge Inventory. See our methodology for details. Retrieved and formatted by PlainBridges

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Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.

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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.