CHAINBRIDGE RD NBL
Carrying CHAINBRIDGE RD NBL over LEESBURG PIKE; ROUTE 7
0.37FR677/0.26TO684, Fairfax, Virginia
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
CHAINBRIDGE RD NBL in Fairfax, Virginia sits above 40% of rated Virginia bridges on inventory load rating (39 t), while its 1965 build year is earlier than 84% of Fairfax's recorded-year cohort (751 bridges).
CHAINBRIDGE RD NBL in Fairfax, Virginia is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1965, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 4. The lowest applicable rating sets the federal condition category, so this Poor 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:000000000006465
INTERSTATE-ERA · STEEL · LONG-SPAN-RUN · SUPER-LED · HEAVY-ADT · STANDARD-LOAD · CAT-POOR
- INTERSTATE-ERA 1950–1979
- STEEL Steel
- LONG-SPAN-RUN 4 spans
- SUPER-LED Superstructure-led
- HEAVY-ADT Heavy ADT
- STANDARD-LOAD Standard load
- CAT-POOR Poor
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: CHAINBRIDGE RD NBL
The CHAINBRIDGE RD NBL bridge in Fairfax, Virginia carries CHAINBRIDGE RD NBL over LEESBURG PIKE; ROUTE 7. It was built in 1965, making it 61 years old today. The structure is built primarily of steel and spans 4 sections, stretching 64.9 meters (213 feet) end to end. Daily traffic averages 13,147 vehicles, placing it in the heavily-trafficked tier of Virginia bridges. It is owned and maintained by State Highway Agency.
The latest FHWA inspection records show a deck rating of 5/9, superstructure at 4/9, substructure at 6/9. The weakest component sits in poor condition. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed.
How CHAINBRIDGE RD NBL compares
Age against the county: built in 1965, earlier than 630 of Fairfax's 751 bridges with a recorded construction year (84%), against a county median build year of 1993. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.
Live comparison across Virginia bridges with a recorded inventory load rating (14,112 of 14,120 rated).
CHAINBRIDGE RD NBL vs every rated Virginia bridge
Inventory load rating (metric tons), FHWA NBI, this state
39 Top 60% higher than 40% 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
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Reported 0–9 component ratings from the FHWA NBI. The highlighted component is the lowest reported input to this record’s current condition category; it is not a closure or live crossing-safety decision.
Fairfax inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 751 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
- 1965
- Material
- Steel
- Number of Spans
- 4
- Structure Length
- 64.9 m (213 ft)
- Deck Width
- 9.8 m (32 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 13,147 vehicles/day
- Structure Number
- 000000000006465
Condition Analysis
- • The deck (driving surface) rates fair at 5/9, minor deterioration that routine maintenance should address.
- • At 4/9, the superstructure (beams and supports above the deck) is in poor shape, with advanced wear on file for this vintage.
- • The substructure (piers and abutments) rates fair at 6/9, minor deterioration that routine maintenance should address.
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
CHAINBRIDGE RD NBL is in the federal Poor condition category. That is a component-based result, not a closure order.
- NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
- Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
- Compare CHAINBRIDGE RD NBL against other structures in Fairfax 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 CHAINBRIDGE RD NBL?
CHAINBRIDGE RD NBL in Fairfax, Virginia has a deck rating of 5/9, superstructure rating of 4/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.
How often is CHAINBRIDGE RD NBL inspected?
CHAINBRIDGE RD NBL'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 13,147 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. CHAINBRIDGE RD NBL is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for CHAINBRIDGE RD NBL?
CHAINBRIDGE RD NBL has an NBI inventory load rating of 38.9 metric tons.
Who is responsible for maintaining CHAINBRIDGE RD NBL?
CHAINBRIDGE RD NBL is owned and maintained by State Highway Agency.
How old is CHAINBRIDGE RD NBL and does age affect safety?
CHAINBRIDGE RD NBL was built in 1965, making it 61 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.
Share this inspection record
Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.
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.