FHWA NBI 2024 Inspection record Public-domain dataset

DUMBARTON STREET

Carrying DUMBARTON STREET over Little Pimmit Run

_, Arlington, Virginia

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
33 t Inventory load rating

Bridge Snapshot: DUMBARTON STREET

The DUMBARTON STREET bridge in Arlington, Virginia carries DUMBARTON STREET over Little Pimmit Run. It was built in 1989, making it 37 years old today. The structure is built primarily of steel and spans 2 sections, stretching 7.9 meters (26 feet) end to end. Daily traffic averages 500 vehicles, placing it in the lower-traffic tier of Virginia bridges. It is owned and maintained by County 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 32.7 metric tons.

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

How DUMBARTON STREET compares

▼ 13.3
Load rating vs Virginia average (46.0 t)
Bottom 21%
Lower load rating than 79% of Virginia bridges
183
Bridges in Arlington · 1 in Poor condition
DUMBARTON STREET 32.7 t
Virginia average 46.0 t

Live comparison across Virginia.

Historical Sufficiency Rating

PlainBridge-computed
84.2 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
17.2
Essentiality /15
15.0
Special reductions
−3.0

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 How the historical reference is calculated.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
32.7 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1989
Material
Steel
Number of Spans
2
Structure Length
7.9 m (26 ft)
Deck Width
7.3 m (24 ft)
Owner
County Highway Agency
Avg Daily Traffic
500 vehicles/day
Structure Number
000000000029953

How to read this record

This page shows what the last federal inspection recorded, not whether DUMBARTON 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 DUMBARTON STREET against other structures in Arlington and across Virginia. Virginia 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 DUMBARTON STREET?

DUMBARTON STREET in Arlington, Virginia on the FHWA's 0–9 scale.

How often is DUMBARTON STREET inspected?

DUMBARTON 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 500 vehicles per day.

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

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

DUMBARTON STREET has an NBI inventory load rating of 32.7 metric tons.

Who is responsible for maintaining DUMBARTON STREET?

DUMBARTON STREET is owned and maintained by County Highway Agency.

How old is DUMBARTON STREET and does age affect safety?

DUMBARTON STREET was built in 1989, making it 37 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.