FHWA NBI 2024 Inspection record Public-domain dataset

I-83 NB OFF-RAMP

Carrying I-83 NB OFF-RAMP over 28TH ST AND NS RAILROAD

0.4 MI N OF NORTH AVE, Baltimore city, Maryland

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
64 t Inventory load rating

Bridge Snapshot: I-83 NB OFF-RAMP

The I-83 NB OFF-RAMP bridge in Baltimore city, Maryland carries I-83 NB OFF-RAMP over 28TH ST AND NS RAILROAD. It was built in 1959, making it 67 years old today. It was last reconstructed in 1988, extending its service life. The structure is built primarily of steel and spans 7 sections, stretching 132.0 meters (433 feet) end to end. Daily traffic averages 31,200 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 6/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 63.9 metric tons.

Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.

How I-83 NB OFF-RAMP compares

▲ 12.8
Load rating vs Maryland average (51.1 t)
Top 24%
Higher load rating than 76% of Maryland bridges
380
Bridges in Baltimore city · 27 in Poor condition
I-83 NB OFF-RAMP 63.9 t
Maryland average 51.1 t

Live comparison across Maryland.

Historical Sufficiency Rating

PlainBridge-computed
92.5 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
27.0
Essentiality /15
10.5
Special reductions
0

FHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.

Condition Ratings

Deck
7/9
Good (7–9)
Superstructure
7/9
Good (7–9)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
63.9 t
NBI inventory level (metric tons)
Overall Condition
Fair

Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.

Structural Details

Year Built
1959
Last Reconstructed
1988
Material
Steel
Number of Spans
7
Structure Length
132.0 m (433 ft)
Deck Width
7.0 m (23 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
31,200 vehicles/day
Structure Number
200000BC3102010

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 good condition (7/9), showing no significant deterioration.
  • The substructure (piers and abutments) is in fair condition (6/9), with minor deterioration that may require routine maintenance.

How to read this record

This page shows what the last federal inspection recorded, not whether I-83 NB 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-83 NB 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-83 NB OFF-RAMP?

I-83 NB OFF-RAMP in Baltimore city, Maryland has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is I-83 NB OFF-RAMP inspected?

I-83 NB 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 31,200 vehicles per day.

What does “structurally deficient” mean in older bridge reports?

FHWA retired that reported status beginning with the 2018 archive. I-83 NB OFF-RAMP 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 I-83 NB OFF-RAMP?

I-83 NB OFF-RAMP has an NBI inventory load rating of 63.9 metric tons.

Who is responsible for maintaining I-83 NB OFF-RAMP?

I-83 NB OFF-RAMP is owned and maintained by City/Municipal Highway Agency.

How old is I-83 NB OFF-RAMP and does age affect safety?

I-83 NB OFF-RAMP was built in 1959, making it 67 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.

Data sourced from the Federal Highway Administration National Bridge Inventory. See our methodology for details. Retrieved and formatted by PlainBridges

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.