FHWA NBI 2024 Inspection record Public-domain dataset

WB DULLES GREENWAY

Carrying WB DULLES GREENWAY over SYCOLIN CREEK

03.26FR7-15/02.31TO659, Loudoun, Virginia

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
46 t Inventory load rating

Bridge Snapshot: WB DULLES GREENWAY

The WB DULLES GREENWAY bridge in Loudoun, Virginia carries WB DULLES GREENWAY over SYCOLIN CREEK. It was built in 1995, making it 31 years old today. The structure is built primarily of steel continuous and spans 3 sections, stretching 97.5 meters (320 feet) end to end. Daily traffic averages 14,193 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 a deck rating of 7/9, superstructure at 6/9, substructure 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. Its NBI inventory load rating is 46.4 metric tons.

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

How WB DULLES GREENWAY compares

▲ 0.4
Load rating vs Virginia average (46.0 t)
Top 43%
Higher load rating than 57% of Virginia bridges
442
Bridges in Loudoun · 5 in Poor condition
WB DULLES GREENWAY 46.4 t
Virginia average 46.0 t

Live comparison across Virginia.

Historical Sufficiency Rating

PlainBridge-computed
100.0 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
15.0
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 How the historical reference is calculated.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
7/9
Good (7–9)
Superstructure
6/9
Fair (5–6)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
46.4 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1995
Material
Steel Continuous
Number of Spans
3
Structure Length
97.5 m (320 ft)
Deck Width
19.2 m (63 ft)
Owner
Local Toll Authority
Avg Daily Traffic
14,193 vehicles/day
Structure Number
000000000024440

Condition Analysis

  • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
  • At 6/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • At 6/9, 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 WB 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 WB 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 WB DULLES GREENWAY?

WB DULLES GREENWAY in Loudoun, Virginia has a deck rating of 7/9, superstructure rating of 6/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is WB DULLES GREENWAY inspected?

WB 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 14,193 vehicles per day.

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

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

WB DULLES GREENWAY has an NBI inventory load rating of 46.4 metric tons.

Who is responsible for maintaining WB DULLES GREENWAY?

WB DULLES GREENWAY is owned and maintained by Local Toll Authority.

How old is WB DULLES GREENWAY and does age affect safety?

WB DULLES GREENWAY was built in 1995, making it 31 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.