PONCA STREET
Carrying PONCA STREET over CANTON RAILROAD
PONCA ST. OVER CANTON RR, Baltimore city, Maryland
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
PONCA STREET in Baltimore city, Maryland sits above 71% of rated Maryland bridges on inventory load rating (57 t), while its 1973 build year is earlier than 46% of Baltimore city's recorded-year cohort (374 bridges).
PONCA STREET in Baltimore city, Maryland is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1973, it carries 3 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:200000BC4404010
INTERSTATE-ERA · STEEL · MULTI-SPAN · DECK-LED · ARTERIAL-ADT · HEAVY-LOAD · CAT-POOR
- INTERSTATE-ERA 1950–1979
- STEEL Steel
- MULTI-SPAN 3 spans
- DECK-LED Deck-led
- ARTERIAL-ADT Arterial ADT
- HEAVY-LOAD Heavy 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: PONCA STREET
The PONCA STREET bridge in Baltimore city, Maryland carries PONCA STREET over CANTON RAILROAD. It was built in 1973, making it 53 years old today. The structure is built primarily of steel continuous and spans 3 sections, stretching 36.6 meters (120 feet) end to end. Daily traffic averages 2,287 vehicles, placing it in the moderately-trafficked tier of Maryland bridges. It is owned and maintained by City/Municipal Highway Agency.
The latest FHWA inspection records show a deck rating of 4/9, superstructure at 6/9, substructure at 6/9. 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 PONCA STREET compares
Age against the county: built in 1973, earlier than 172 of Baltimore city's 374 bridges with a recorded construction year (46%), against a county median build year of 1972. 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).
PONCA STREET vs every rated Maryland bridge
Inventory load rating (metric tons), FHWA NBI, this state
57 Top 29% higher than 71% 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.
Baltimore city inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 374 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
- 1973
- Material
- Steel Continuous
- Number of Spans
- 3
- Structure Length
- 36.6 m (120 ft)
- Deck Width
- 15.2 m (50 ft)
- Owner
- City/Municipal Highway Agency
- Avg Daily Traffic
- 2,287 vehicles/day
- Structure Number
- 200000BC4404010
Condition Analysis
- • The deck (driving surface) is in poor condition (4/9), showing advanced deterioration on the inspecting agency's 0-9 scale.
- • The superstructure (beams and supports above the deck) rates fair at 6/9, minor deterioration that routine maintenance should address.
- • The substructure (piers and abutments) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
PONCA STREET 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 PONCA STREET against other structures in Baltimore city 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 PONCA STREET?
PONCA STREET in Baltimore city, Maryland has a deck rating of 4/9, superstructure rating of 6/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.
How often is PONCA STREET inspected?
PONCA STREET'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 2,287 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. PONCA STREET 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 PONCA STREET?
PONCA STREET has an NBI inventory load rating of 57.1 metric tons.
Who is responsible for maintaining PONCA STREET?
PONCA STREET is owned and maintained by City/Municipal Highway Agency.
How old is PONCA STREET and does age affect safety?
PONCA STREET was built in 1973, making it 53 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.