FHWA NBI 2024 Inspection record Public-domain dataset

NELSON STREET

Carrying NELSON STREET over WATTS BRANCH

0.5 MILES NORTH OF MD 28, Montgomery, Maryland

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
73 t Inventory load rating

Bridge Snapshot: NELSON STREET

The NELSON STREET bridge in Montgomery, Maryland carries NELSON STREET over WATTS BRANCH. It was built in 1955, making it 71 years old today. The structure is built primarily of concrete, stretching 9.4 meters (31 feet) end to end. Daily traffic averages 13,576 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 culvert 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 73.0 metric tons.

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

How NELSON STREET compares

▲ 21.9
Load rating vs Maryland average (51.1 t)
Top 18%
Higher load rating than 82% of Maryland bridges
522
Bridges in Montgomery · 24 in Poor condition
NELSON STREET 73.0 t
Maryland average 51.1 t

Live comparison across Maryland.

Historical Sufficiency Rating

PlainBridge-computed
98.7 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
13.7
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 How the historical reference is calculated.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

Culvert
6/9
Fair (5–6)
Inventory Load Rating
73.0 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1955
Material
Concrete
Structure Length
9.4 m (31 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
13,576 vehicles/day
Structure Number
200000M-R-07020

How to read this record

This page shows what the last federal inspection recorded, not whether NELSON 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 NELSON STREET 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 NELSON STREET?

NELSON STREET in Montgomery, Maryland on the FHWA's 0–9 scale.

How often is NELSON STREET inspected?

NELSON 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 13,576 vehicles per day.

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

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

NELSON STREET has an NBI inventory load rating of 73.0 metric tons.

Who is responsible for maintaining NELSON STREET?

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

How old is NELSON STREET and does age affect safety?

NELSON STREET was built in 1955, making it 71 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.

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.