FHWA NBI 2024 Inspection record Public-domain dataset

TRAP ROAD

Carrying TRAP ROAD over SERVICE UNDERPASS

1 MILE SOUTH OF ROUTE 7, Fairfax, Virginia

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
33 t Inventory load rating

Bridge Snapshot: TRAP ROAD

The TRAP ROAD bridge in Fairfax, Virginia carries TRAP ROAD over SERVICE UNDERPASS. It was built in 1966, making it 60 years old today. The structure is built primarily of concrete and spans 1 section, stretching 6.1 meters (20 feet) end to end. Daily traffic averages 240 vehicles, placing it in the lower-traffic tier of Virginia bridges. It is owned and maintained by National Park Service.

The latest FHWA inspection records show superstructure at 7/9, 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. 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 TRAP ROAD compares

▼ 13.3
Load rating vs Virginia average (46.0 t)
Bottom 21%
Lower load rating than 79% of Virginia bridges
751
Bridges in Fairfax · 4 in Poor condition
TRAP ROAD 32.7 t
Virginia average 46.0 t

Live comparison across Virginia.

Historical Sufficiency Rating

PlainBridge-computed
89.0 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
22.0
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 How the historical reference is calculated.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

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

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

Structural Details

Year Built
1966
Material
Concrete
Number of Spans
1
Structure Length
6.1 m (20 ft)
Deck Width
55.5 m (182 ft)
Owner
National Park Service
Avg Daily Traffic
240 vehicles/day
Structure Number
3800001P0000000

Condition Analysis

  • At 7/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
  • At 7/9, the substructure (piers and abutments) is in good shape and shows no significant wear.

How to read this record

This page shows what the last federal inspection recorded, not whether TRAP ROAD 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 TRAP ROAD 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 TRAP ROAD?

TRAP ROAD in Fairfax, Virginia, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is TRAP ROAD inspected?

TRAP ROAD'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 240 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. TRAP ROAD 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 TRAP ROAD?

TRAP ROAD has an NBI inventory load rating of 32.7 metric tons.

Who is responsible for maintaining TRAP ROAD?

TRAP ROAD is owned and maintained by National Park Service.

How old is TRAP ROAD and does age affect safety?

TRAP ROAD was built in 1966, making it 60 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.