FHWA NBI 2024 Inspection record Public-domain dataset

Sylvatus Hwy/Rt100

Carrying Sylvatus Hwy/Rt100 over Rock Creek

0.06-Rte828;0.92-Wythe CL, Carroll, Virginia

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
52 t Inventory load rating

Bridge Snapshot: Sylvatus Hwy/Rt100

The Sylvatus Hwy/Rt100 bridge in Carroll, Virginia carries Sylvatus Hwy/Rt100 over Rock Creek. It was built in 1942, making it 84 years old today. It was last reconstructed in 2017, extending its service life. The structure is built primarily of prestressed concrete and spans 1 section, stretching 14.5 meters (48 feet) end to end. Daily traffic averages 3,613 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 6/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 51.7 metric tons.

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

How Sylvatus Hwy/Rt100 compares

▲ 5.7
Load rating vs Virginia average (46.0 t)
Top 35%
Higher load rating than 65% of Virginia bridges
161
Bridges in Carroll · 2 in Poor condition
Sylvatus Hwy/Rt100 51.7 t
Virginia average 46.0 t

Live comparison across Virginia.

Historical Sufficiency Rating

PlainBridge-computed
78.2 / 100 - historical 50–79.9 band
Structural adequacy /55
55.0
Serviceability /30
11.0
Essentiality /15
12.2
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 How the historical reference is calculated.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
8/9
Good (7–9)
Superstructure
8/9
Good (7–9)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
51.7 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1942
Last Reconstructed
2017
Material
Prestressed Concrete
Number of Spans
1
Structure Length
14.5 m (48 ft)
Deck Width
9.4 m (31 ft)
Owner
State Highway Agency
Avg Daily Traffic
3,613 vehicles/day
Structure Number
000000000004608

Condition Analysis

  • The deck (driving surface) is in good condition (8/9), showing no significant deterioration.
  • At 8/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
  • The substructure (piers and abutments) rates fair at 6/9, minor deterioration that routine maintenance should address.

How to read this record

This page shows what the last federal inspection recorded, not whether Sylvatus Hwy/Rt100 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 Sylvatus Hwy/Rt100 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 Sylvatus Hwy/Rt100?

Sylvatus Hwy/Rt100 in Carroll, Virginia has a deck rating of 8/9, superstructure rating of 8/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is Sylvatus Hwy/Rt100 inspected?

Sylvatus Hwy/Rt100'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 3,613 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. Sylvatus Hwy/Rt100 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 Sylvatus Hwy/Rt100?

Sylvatus Hwy/Rt100 has an NBI inventory load rating of 51.7 metric tons.

Who is responsible for maintaining Sylvatus Hwy/Rt100?

Sylvatus Hwy/Rt100 is owned and maintained by State Highway Agency.

How old is Sylvatus Hwy/Rt100 and does age affect safety?

Sylvatus Hwy/Rt100 was built in 1942, making it 84 years old and last reconstructed in 2017.

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.