CALHOUN STREET
Carrying CALHOUN STREET over I-170
.01 MI N OF SARATOGA ST, Baltimore city, Maryland
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: CALHOUN STREET
The CALHOUN STREET bridge in Baltimore city, Maryland carries CALHOUN STREET over I-170. It was built in 1977, making it 49 years old today. The structure is built primarily of concrete continuous. Daily traffic averages 18,100 vehicles, placing it in the heavily-trafficked tier of Maryland bridges.
The latest FHWA inspection records show limited component ratings on file. The weakest component sits in unrated condition. All reported major components score above the Poor range.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How CALHOUN STREET 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 How the historical reference is calculated.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
- 1977
- Material
- Concrete Continuous
- Avg Daily Traffic
- 18,100 vehicles/day
- Structure Number
- 200000BC1503010
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
This page shows what the last federal inspection recorded, not whether CALHOUN STREET 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 CALHOUN 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 CALHOUN STREET?
CALHOUN STREET in Baltimore city, Maryland on the FHWA's 0–9 scale.
How often is CALHOUN STREET inspected?
CALHOUN 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 18,100 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. CALHOUN STREET is currently shown as unrated condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for CALHOUN STREET?
An inventory load rating is not recorded for CALHOUN STREET.
Who is responsible for maintaining CALHOUN STREET?
Ownership is not specified for CALHOUN STREET in the NBI.
How old is CALHOUN STREET and does age affect safety?
CALHOUN STREET was built in 1977, making it 49 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.