I-83SB OFF-RAMP
Carrying I-83SB OFF-RAMP over MTA LIGHT RAIL
I-83 AT NORTHERN PKWY, Baltimore city, Maryland
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: I-83SB OFF-RAMP
The I-83SB OFF-RAMP bridge in Baltimore city, Maryland carries I-83SB OFF-RAMP over MTA LIGHT RAIL. It was built in 1962, making it 64 years old today. It was last reconstructed in 1988, extending its service life. The structure is built primarily of steel and spans 4 sections, stretching 40.2 meters (132 feet) end to end. Daily traffic averages 23,357 vehicles, placing it in the heavily-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 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. Its NBI inventory load rating is 50.8 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How I-83SB OFF-RAMP compares
Live comparison across Maryland.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1962
- Last Reconstructed
- 1988
- Material
- Steel
- Number of Spans
- 4
- Structure Length
- 40.2 m (132 ft)
- Deck Width
- 19.6 m (64 ft)
- Owner
- City/Municipal Highway Agency
- Avg Daily Traffic
- 23,357 vehicles/day
- Structure Number
- 200000BC3121010
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
- • The superstructure (beams and supports above the deck) rates good at 7/9, with no significant deterioration on file.
- • The substructure (piers and abutments) is in good condition (7/9), showing no significant deterioration.
How to read this record
This page shows what the last federal inspection recorded, not whether I-83SB OFF-RAMP 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 I-83SB OFF-RAMP 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 I-83SB OFF-RAMP?
I-83SB OFF-RAMP in Baltimore city, 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 I-83SB OFF-RAMP inspected?
I-83SB OFF-RAMP'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 23,357 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. I-83SB OFF-RAMP 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 I-83SB OFF-RAMP?
I-83SB OFF-RAMP has an NBI inventory load rating of 50.8 metric tons.
Who is responsible for maintaining I-83SB OFF-RAMP?
I-83SB OFF-RAMP is owned and maintained by City/Municipal Highway Agency.
How old is I-83SB OFF-RAMP and does age affect safety?
I-83SB OFF-RAMP was built in 1962, making it 64 years old and last reconstructed in 1988.
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.
Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.