FHWA NBI 2024 Inspection record Public-domain dataset

MASEMORE ROAD

Carrying MASEMORE ROAD over GUNPOWDER FALLS

0.6 MI SW BUNKER HILL RD, Baltimore, Maryland

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair
18 t Inventory load rating Lower than 98% of rated Maryland bridges

MASEMORE ROAD in Baltimore, Maryland sits above 2% of rated Maryland bridges on inventory load rating (18 t), while its 1898 build year is earlier than 99% of Baltimore's recorded-year cohort (783 bridges).

MASEMORE ROAD in Baltimore, Maryland is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1898, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 6. 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:200000B-0045010

PRE-1950 · MAT-OTHER · SINGLE-SPAN · TIED-CTRL · LOCAL-ADT · LIGHT-LOAD · CAT-FAIR

  • PRE-1950 Pre-1950
  • MAT-OTHER Other
  • SINGLE-SPAN Single span
  • TIED-CTRL Tied control
  • LOCAL-ADT Local ADT
  • LIGHT-LOAD Light 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: MASEMORE ROAD

The MASEMORE ROAD bridge in Baltimore, Maryland carries MASEMORE ROAD over GUNPOWDER FALLS. It was built in 1898, making it 128 years old today. It was last reconstructed in 2000, extending its service life. The structure is built primarily of aluminum/iron and spans 1 section, stretching 36.6 meters (120 feet) end to end. Daily traffic averages 344 vehicles, placing it in the lower-traffic tier of Maryland bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 6/9, substructure at 6/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds.

How MASEMORE ROAD compares

▼ 32.0
Load rating vs Maryland average (50.1 t; 5,479 of 5,484 rated)
783
Bridges in Baltimore · 25 in Poor condition

Age against the county: built in 1898, earlier than 774 of Baltimore's 783 bridges with a recorded construction year (99%), against a county median build year of 1971. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

MASEMORE ROAD 18.1 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).

MASEMORE ROAD vs every rated Maryland bridge

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

18 Top 98% higher than 2% 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
6/9
Fair (5–6)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
18.1 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.

Baltimore inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 783 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
1898
Last Reconstructed
2000
Material
Aluminum/Iron
Number of Spans
1
Structure Length
36.6 m (120 ft)
Deck Width
4.8 m (16 ft)
Owner
County Highway Agency
Avg Daily Traffic
344 vehicles/day
Structure Number
200000B-0045010

Condition Analysis

  • The deck (driving surface) rates good at 7/9, with no significant deterioration on file.
  • The superstructure (beams and supports above the deck) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • The substructure (piers and abutments) rates fair at 6/9, minor deterioration that routine maintenance should address.

How to read this record

This page shows what the last federal inspection recorded, not whether MASEMORE ROAD 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 MASEMORE ROAD against other structures in Baltimore 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 MASEMORE ROAD?

MASEMORE ROAD in Baltimore, Maryland has a deck rating of 7/9, superstructure rating of 6/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is MASEMORE ROAD inspected?

MASEMORE ROAD'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 344 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. MASEMORE ROAD 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 MASEMORE ROAD?

MASEMORE ROAD has an NBI inventory load rating of 18.1 metric tons.

Who is responsible for maintaining MASEMORE ROAD?

MASEMORE ROAD is owned and maintained by County Highway Agency.

How old is MASEMORE ROAD and does age affect safety?

MASEMORE ROAD was built in 1898, making it 128 years old and last reconstructed in 2000.

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.