FHWA NBI 2024 Inspection record Public-domain dataset

CATTAIL ROAD

Carrying CATTAIL ROAD over DRY SENECA CREEK

1.5 MI S OF JCT SR 28, Montgomery, Maryland

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
58 t Inventory load rating

Bridge Snapshot: CATTAIL ROAD

The CATTAIL ROAD bridge in Montgomery, Maryland carries CATTAIL ROAD over DRY SENECA CREEK. It was built in 1975, making it 51 years old today. It was last reconstructed in 2009, extending its service life. The structure is built primarily of steel and spans 1 section, stretching 19.2 meters (63 feet) end to end. Daily traffic averages 2,435 vehicles, placing it in the moderately-trafficked tier of Maryland bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 5/9, substructure at 5/9. 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 57.6 metric tons.

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

How CATTAIL ROAD compares

▲ 6.5
Load rating vs Maryland average (51.1 t)
Top 30%
Higher load rating than 70% of Maryland bridges
522
Bridges in Montgomery · 24 in Poor condition
CATTAIL ROAD 57.6 t
Maryland average 51.1 t

Live comparison across Maryland.

Historical Sufficiency Rating

PlainBridge-computed
86.3 / 100 - historical 80–100 band
Structural adequacy /55
45.0
Serviceability /30
27.0
Essentiality /15
14.3
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 How the historical reference is calculated.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
6/9
Fair (5–6)
Superstructure
5/9
Fair (5–6)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
57.6 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1975
Last Reconstructed
2009
Material
Steel
Number of Spans
1
Structure Length
19.2 m (63 ft)
Deck Width
10.1 m (33 ft)
Owner
County Highway Agency
Avg Daily Traffic
2,435 vehicles/day
Structure Number
200000M-0155010

Condition Analysis

  • At 6/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • At 5/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • At 5/9, 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 CATTAIL ROAD 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 CATTAIL ROAD against other structures in Montgomery 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 CATTAIL ROAD?

CATTAIL ROAD in Montgomery, Maryland has a deck rating of 6/9, superstructure rating of 5/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is CATTAIL ROAD inspected?

CATTAIL ROAD'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 2,435 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. CATTAIL ROAD 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 CATTAIL ROAD?

CATTAIL ROAD has an NBI inventory load rating of 57.6 metric tons.

Who is responsible for maintaining CATTAIL ROAD?

CATTAIL ROAD is owned and maintained by County Highway Agency.

How old is CATTAIL ROAD and does age affect safety?

CATTAIL ROAD was built in 1975, making it 51 years old and last reconstructed in 2009.

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.