FHWA NBI 2024 Inspection record Public-domain dataset

Silverleaf Rd/664

Carrying Silverleaf Rd/664 over Big Reed Island Creek

0.02-Rte663; 1.68-Rte661, Carroll, Virginia

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
54 t Inventory load rating

Bridge Snapshot: Silverleaf Rd/664

The Silverleaf Rd/664 bridge in Carroll, Virginia carries Silverleaf Rd/664 over Big Reed Island Creek. It was built in 1968, making it 58 years old today. The structure is built primarily of steel and spans 3 sections, stretching 57.9 meters (190 feet) end to end. Daily traffic averages 115 vehicles, placing it in the lower-traffic tier of Virginia bridges. It is owned and maintained by State Highway Agency.

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. All reported major components score above the Poor range. Its NBI inventory load rating is 53.5 metric tons.

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

How Silverleaf Rd/664 compares

▲ 7.5
Load rating vs Virginia average (46.0 t)
Top 32%
Higher load rating than 68% of Virginia bridges
161
Bridges in Carroll · 2 in Poor condition
Silverleaf Rd/664 53.5 t
Virginia average 46.0 t

Live comparison across Virginia.

Historical Sufficiency Rating

PlainBridge-computed
88.6 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
21.8
Essentiality /15
14.9
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 How the historical reference is calculated.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

Deck
7/9
Good (7–9)
Superstructure
6/9
Fair (5–6)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
53.5 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1968
Material
Steel
Number of Spans
3
Structure Length
57.9 m (190 ft)
Deck Width
8.8 m (29 ft)
Owner
State Highway Agency
Avg Daily Traffic
115 vehicles/day
Structure Number
000000000004673

Condition Analysis

  • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
  • At 6/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • The substructure (piers and abutments) is in fair condition (6/9), with minor deterioration that may require routine maintenance.

How to read this record

This page shows what the last federal inspection recorded, not whether Silverleaf Rd/664 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 Silverleaf Rd/664 against other structures in Carroll 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 Silverleaf Rd/664?

Silverleaf Rd/664 in Carroll, 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 Silverleaf Rd/664 inspected?

Silverleaf Rd/664'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 115 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. Silverleaf Rd/664 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 Silverleaf Rd/664?

Silverleaf Rd/664 has an NBI inventory load rating of 53.5 metric tons.

Who is responsible for maintaining Silverleaf Rd/664?

Silverleaf Rd/664 is owned and maintained by State Highway Agency.

How old is Silverleaf Rd/664 and does age affect safety?

Silverleaf Rd/664 was built in 1968, making it 58 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.