FHWA NBI 2024 Inspection record Public-domain dataset

DULLES GREENWAY

Carrying DULLES GREENWAY over TRIB. HORSEPEN RUN

02.50FR606/01.50TO657, Loudoun, Virginia

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair
90 t Inventory load rating Higher than 97% of rated Virginia bridges

DULLES GREENWAY in Loudoun, Virginia sits above 97% of rated Virginia bridges on inventory load rating (90 t), while its 1994 build year is earlier than 52% of Loudoun's recorded-year cohort (442 bridges).

DULLES GREENWAY in Loudoun, Virginia is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1994, it carries 1 rated component on the inspecting agency's 0-9 scale, and its weakest reported component scores 6. The lowest applicable rating sets the federal condition category, so this Fair result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.

NBI record plate

Structure VA:000000000024584

LATE-CENTURY · CONCRETE · MULTI-SPAN · CULVERT-LED · HEAVY-ADT · HEAVY-LOAD · CAT-FAIR

  • LATE-CENTURY 1980–1999
  • CONCRETE Concrete
  • MULTI-SPAN 3 spans
  • CULVERT-LED Culvert-led
  • HEAVY-ADT Heavy ADT
  • HEAVY-LOAD Heavy load
  • CAT-FAIR Fair

Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.

Bridge Snapshot: DULLES GREENWAY

The DULLES GREENWAY bridge in Loudoun, Virginia carries DULLES GREENWAY over TRIB. HORSEPEN RUN. It was built in 1994, making it 32 years old today. The structure is built primarily of concrete and spans 3 sections, stretching 12.8 meters (42 feet) end to end. Daily traffic averages 70,185 vehicles, placing it in the heavily-trafficked tier of Virginia bridges. It is owned and maintained by Local Toll Authority.

The latest FHWA inspection records show culvert at 6/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds.

How DULLES GREENWAY compares

▲ 43.2
Load rating vs Virginia average (46.6 t; 14,112 of 14,120 rated)
442
Bridges in Loudoun · 5 in Poor condition

Age against the county: built in 1994, earlier than 231 of Loudoun's 442 bridges with a recorded construction year (52%), against a county median build year of 1995. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

DULLES GREENWAY 89.8 t
Virginia average (14,112 of 14,120 rated) 46.6 t

Live comparison across Virginia bridges with a recorded inventory load rating (14,112 of 14,120 rated).

DULLES GREENWAY vs every rated Virginia bridge

Inventory load rating (metric tons), FHWA NBI, this state

90 Top 3% higher than 97% of 14,112 bridges

rated Virginia bridges, bucketed by value

Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source FHWA National Bridge Inventory · August 2026

Condition Ratings

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

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

Loudoun inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 442 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.

Structural Details

Year Built
1994
Material
Concrete
Number of Spans
3
Structure Length
12.8 m (42 ft)
0
Owner
Local Toll Authority
Avg Daily Traffic
70,185 vehicles/day
Structure Number
000000000024584

How to read this record

This page shows what the last federal inspection recorded, not whether DULLES GREENWAY 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 DULLES GREENWAY against other structures in Loudoun 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 DULLES GREENWAY?

DULLES GREENWAY in Loudoun, Virginia on the FHWA's 0–9 scale.

How often is DULLES GREENWAY inspected?

DULLES GREENWAY'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 70,185 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. DULLES GREENWAY 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 DULLES GREENWAY?

DULLES GREENWAY has an NBI inventory load rating of 89.8 metric tons.

Who is responsible for maintaining DULLES GREENWAY?

DULLES GREENWAY is owned and maintained by Local Toll Authority.

How old is DULLES GREENWAY and does age affect safety?

DULLES GREENWAY was built in 1994, making it 32 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

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Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.

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Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.