IS 95 VIADUCT SB
Carrying IS 95 VIADUCT SB over CONRAIL YARD
Milepost M56.9, Baltimore city, Maryland
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: IS 95 VIADUCT SB
The IS 95 VIADUCT SB bridge in Baltimore city, Maryland carries IS 95 VIADUCT SB over CONRAIL YARD. It was built in 1980, making it 46 years old today. The structure is built primarily of steel continuous and spans 14 sections, stretching 538.9 meters (1768 feet) end to end. Daily traffic averages 72,095 vehicles, placing it in the heavily-trafficked tier of Maryland bridges. It is owned and maintained by State Toll Authority.
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. Its NBI inventory load rating is 41.7 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How IS 95 VIADUCT SB 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 How the historical reference is calculated.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
- 1980
- Material
- Steel Continuous
- Number of Spans
- 14
- Structure Length
- 538.9 m (1768 ft)
- Deck Width
- 26.2 m (86 ft)
- Owner
- State Toll Authority
- Avg Daily Traffic
- 72,095 vehicles/day
- Structure Number
- 300000BCW569012
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗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.
- • At 6/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.
How to read this record
This page shows what the last federal inspection recorded, not whether IS 95 VIADUCT SB 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 IS 95 VIADUCT SB 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 IS 95 VIADUCT SB?
IS 95 VIADUCT SB in Baltimore city, 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 IS 95 VIADUCT SB inspected?
IS 95 VIADUCT SB'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 72,095 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. IS 95 VIADUCT SB 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 IS 95 VIADUCT SB?
IS 95 VIADUCT SB has an NBI inventory load rating of 41.7 metric tons.
Who is responsible for maintaining IS 95 VIADUCT SB?
IS 95 VIADUCT SB is owned and maintained by State Toll Authority.
How old is IS 95 VIADUCT SB and does age affect safety?
IS 95 VIADUCT SB was built in 1980, making it 46 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.
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.