MAPLE GROVE ROAD
Carrying MAPLE GROVE ROAD over CASSELMAN RIVER
0.08 MI E OF MD RTE 495, Garrett, Maryland
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
MAPLE GROVE ROAD in Garrett, Maryland sits above 7% of rated Maryland bridges on inventory load rating (25 t), while its 1926 build year is earlier than 91% of Garrett's recorded-year cohort (139 bridges).
MAPLE GROVE ROAD in Garrett, Maryland is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1926, it carries 2 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 4. The lowest applicable rating sets the federal condition category, so this Poor 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:200000G-0103010
PRE-1950 · CONCRETE · SINGLE-SPAN · SUPER-LED · LOCAL-ADT · STANDARD-LOAD · CAT-POOR
- PRE-1950 Pre-1950
- CONCRETE Concrete
- SINGLE-SPAN Single span
- SUPER-LED Superstructure-led
- LOCAL-ADT Local ADT
- STANDARD-LOAD Standard load
- CAT-POOR Poor
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: MAPLE GROVE ROAD
The MAPLE GROVE ROAD bridge in Garrett, Maryland carries MAPLE GROVE ROAD over CASSELMAN RIVER. It was built in 1926, making it 100 years old today. The structure is built primarily of concrete and spans 1 section, stretching 17.2 meters (56 feet) end to end. Daily traffic averages 413 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 superstructure at 4/9, substructure at 5/9. The weakest component sits in poor condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules.
How MAPLE GROVE ROAD compares
Age against the county: built in 1926, earlier than 127 of Garrett's 139 bridges with a recorded construction year (91%), against a county median build year of 1975. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.
Live comparison across Maryland bridges with a recorded inventory load rating (5,479 of 5,484 rated).
MAPLE GROVE ROAD vs every rated Maryland bridge
Inventory load rating (metric tons), FHWA NBI, this state
25 Top 93% higher than 7% 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.
Garrett inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 139 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
- 1926
- Material
- Concrete
- Number of Spans
- 1
- Structure Length
- 17.2 m (56 ft)
- Deck Width
- 4.1 m (13 ft)
- Owner
- County Highway Agency
- Avg Daily Traffic
- 413 vehicles/day
- Structure Number
- 200000G-0103010
Condition Analysis
- • At 4/9, the superstructure (beams and supports above the deck) is in poor shape, with advanced wear on file for this vintage.
- • The substructure (piers and abutments) rates fair at 5/9, minor deterioration that routine maintenance should address.
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
MAPLE GROVE ROAD is in the federal Poor condition category. That is a component-based result, not a closure order.
- NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
- Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
- Compare MAPLE GROVE ROAD against other structures in Garrett 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 MAPLE GROVE ROAD?
MAPLE GROVE ROAD in Garrett, Maryland, superstructure rating of 4/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.
How often is MAPLE GROVE ROAD inspected?
MAPLE GROVE 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 413 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. MAPLE GROVE ROAD is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for MAPLE GROVE ROAD?
MAPLE GROVE ROAD has an NBI inventory load rating of 25.4 metric tons.
Who is responsible for maintaining MAPLE GROVE ROAD?
MAPLE GROVE ROAD is owned and maintained by County Highway Agency.
How old is MAPLE GROVE ROAD and does age affect safety?
MAPLE GROVE ROAD was built in 1926, making it 100 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.
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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.
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.