FHWA NBI 2024 Inspection record Public-domain dataset

TWIN LAKE DRIVE

Carrying TWIN LAKE DRIVE over JOHNNY MOORE CREEK

0.53fr645 0.53to659, Fairfax, Virginia

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Good
51 t Inventory load rating Higher than 63% of rated Virginia bridges

TWIN LAKE DRIVE in Fairfax, Virginia sits above 63% of rated Virginia bridges on inventory load rating (51 t), while its 2014 build year is earlier than 8% of Fairfax's recorded-year cohort (751 bridges).

TWIN LAKE DRIVE in Fairfax, Virginia is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 2014, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 7. The lowest applicable rating sets the federal condition category, so this Good 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:000000000030109

POST-2000 · PRESTRESS · SINGLE-SPAN · SUB-LED · ARTERIAL-ADT · HEAVY-LOAD · CAT-GOOD

  • POST-2000 2000+
  • PRESTRESS Prestressed concrete
  • SINGLE-SPAN Single span
  • SUB-LED Substructure-led
  • ARTERIAL-ADT Arterial ADT
  • HEAVY-LOAD Heavy load
  • CAT-GOOD Good

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: TWIN LAKE DRIVE

The TWIN LAKE DRIVE bridge in Fairfax, Virginia carries TWIN LAKE DRIVE over JOHNNY MOORE CREEK. It was built in 2014, making it 12 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 8.2 meters (27 feet) end to end. Daily traffic averages 1,375 vehicles, placing it in the moderately-trafficked tier of Virginia bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 8/9, superstructure at 8/9, substructure at 7/9. The weakest component sits in good condition. None of this bridge's reported major components fall into the Poor condition range.

How TWIN LAKE DRIVE compares

▲ 4.7
Load rating vs Virginia average (46.6 t; 14,112 of 14,120 rated)
751
Bridges in Fairfax · 8 in Poor condition

Age against the county: built in 2014, earlier than 63 of Fairfax's 751 bridges with a recorded construction year (8%), against a county median build year of 1993. This is one of the newer structures in its county.

TWIN LAKE DRIVE 51.3 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).

TWIN LAKE DRIVE vs every rated Virginia bridge

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

51 Top 37% higher than 63% 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

Deck
8/9
Good (7–9)
Superstructure
8/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
51.3 t
NBI inventory level (metric tons)
Overall Condition
Good

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
2014
Material
Prestressed Concrete
Number of Spans
1
Structure Length
8.2 m (27 ft)
Deck Width
9.1 m (30 ft)
Owner
State Highway Agency
Avg Daily Traffic
1,375 vehicles/day
Structure Number
000000000030109

Condition Analysis

  • At 8/9, the deck (driving surface) is in good shape and shows no significant wear.
  • The superstructure (beams and supports above the deck) rates good at 8/9, with no significant deterioration on file.
  • The substructure (piers and abutments) is in good condition (7/9), showing no significant deterioration.

How to read this record

This page shows what the last federal inspection recorded, not whether TWIN LAKE DRIVE 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 TWIN LAKE DRIVE 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 TWIN LAKE DRIVE?

TWIN LAKE DRIVE in Fairfax, Virginia has a deck rating of 8/9, superstructure rating of 8/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is TWIN LAKE DRIVE inspected?

TWIN LAKE DRIVE'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 1,375 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. TWIN LAKE DRIVE is currently shown as Good condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for TWIN LAKE DRIVE?

TWIN LAKE DRIVE has an NBI inventory load rating of 51.3 metric tons.

Who is responsible for maintaining TWIN LAKE DRIVE?

TWIN LAKE DRIVE is owned and maintained by State Highway Agency.

How old is TWIN LAKE DRIVE and does age affect safety?

TWIN LAKE DRIVE was built in 2014, making it 12 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

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.

XFacebookLinkedInWhatsAppEmail

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.