FHWA NBI 2024 Inspection record Public-domain dataset

C30GR

Carrying C30GR over N. BR. WINOOSKI RIVER

0.03 MI TO JCT W CL1 TH5, Washington, Vermont

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good

Bridge Snapshot: C30GR

The C30GR bridge in Washington, Vermont carries C30GR over N. BR. WINOOSKI RIVER. It was built in 1927, making it 99 years old today. It was last reconstructed in 1977, extending its service life. The structure is built primarily of steel and spans 1 section, stretching 20.7 meters (68 feet) end to end. Daily traffic averages 50 vehicles, placing it in the lower-traffic tier of Vermont bridges. It is owned and maintained by City/Municipal Highway Agency.

The latest FHWA inspection records show a deck rating of 8/9, superstructure at 8/9, substructure at 8/9. The weakest component sits in good condition. No reported major component scores in the Poor range under the current federal condition thresholds.

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

How C30GR compares

254
Bridges in Washington · 9 in Poor condition

Live comparison across Vermont.

Historical Sufficiency Rating

PlainBridge-computed
20.5 / 100 - historical 20–49.9 band
Structural adequacy /55
0.0
Serviceability /30
9.0
Essentiality /15
11.5
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 How the historical reference is calculated.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
8/9
Good (7–9)
Overall Condition
Good

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

Structural Details

Year Built
1927
Last Reconstructed
1977
Material
Steel
Number of Spans
1
Structure Length
20.7 m (68 ft)
Deck Width
4.3 m (14 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
50 vehicles/day
Structure Number
101211001512111

Condition Analysis

  • The deck (driving surface) rates good at 8/9, with no significant deterioration on file.
  • 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 (8/9), showing no significant deterioration.

How to read this record

This page shows what the last federal inspection recorded, not whether C30GR 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 C30GR against other structures in Washington and across Vermont. Vermont 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 C30GR?

C30GR in Washington, Vermont has a deck rating of 8/9, superstructure rating of 8/9, and substructure rating of 8/9 on the FHWA's 0–9 scale.

How often is C30GR inspected?

C30GR'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 50 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. C30GR 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 C30GR?

An inventory load rating is not recorded for C30GR.

Who is responsible for maintaining C30GR?

C30GR is owned and maintained by City/Municipal Highway Agency.

How old is C30GR and does age affect safety?

C30GR was built in 1927, making it 99 years old and last reconstructed in 1977.

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.