FHWA NBI 2024 Inspection record Public-domain dataset

SISSON STREET

Carrying SISSON STREET over CSX

0.3 MI W OF MARYLAND AVE, Baltimore city, Maryland

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
34 t Inventory load rating

Bridge Snapshot: SISSON STREET

The SISSON STREET bridge in Baltimore city, Maryland carries SISSON STREET over CSX. It was built in 1914, making it 112 years old today. It was last reconstructed in 1950, extending its service life. The structure is built primarily of steel and spans 3 sections, stretching 40.5 meters (133 feet) end to end. Daily traffic averages 6,500 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 3/9, substructure at 2/9. The weakest component sits in critical condition. Because at least one major component scores 4 or lower, this bridge falls in FHWA's Poor condition category. That category is not a closure order. Its NBI inventory load rating is 34.0 metric tons.

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

How SISSON STREET compares

▼ 17.1
Load rating vs Maryland average (51.1 t)
Bottom 27%
Lower load rating than 73% of Maryland bridges
380
Bridges in Baltimore city · 27 in Poor condition
SISSON STREET 34.0 t
Maryland average 51.1 t

Live comparison across Maryland.

Historical Sufficiency Rating

PlainBridge-computed
2.0 / 100 - historical under-20 band
Structural adequacy /55
0.0
Serviceability /30
2.0
Essentiality /15
0.0
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 How the historical reference is calculated.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
4/9
Poor (1–4)
Superstructure
3/9
Poor (1–4)
Substructure
2/9
Poor (1–4)
Inventory Load Rating
34.0 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1914
Last Reconstructed
1950
Material
Steel
Number of Spans
3
Structure Length
40.5 m (133 ft)
Deck Width
13.1 m (43 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
6,500 vehicles/day
Structure Number
200000BC8031010

Condition Analysis

  • The deck (driving surface) rates poor at 4/9, advanced deterioration that should be prioritized for repair.
  • The superstructure (beams and supports above the deck) rates poor at 3/9, advanced deterioration that should be prioritized for repair.
  • At 2/9, the substructure (piers and abutments) is in critical shape, with severe wear requiring urgent action.

How to read this record

SISSON 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 SISSON 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 SISSON STREET?

SISSON STREET in Baltimore city, Maryland has a deck rating of 4/9, superstructure rating of 3/9, and substructure rating of 2/9 on the FHWA's 0–9 scale.

How often is SISSON STREET inspected?

SISSON 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 6,500 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SISSON 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 SISSON STREET?

SISSON STREET has an NBI inventory load rating of 34.0 metric tons.

Who is responsible for maintaining SISSON STREET?

SISSON STREET is owned and maintained by City/Municipal Highway Agency.

How old is SISSON STREET and does age affect safety?

SISSON STREET was built in 1914, making it 112 years old and last reconstructed in 1950.

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.