FHWA NBI 2024 Inspection record Public-domain dataset

C3015

Carrying C3015 over MUD CREEK

0.9 MI TO JCT W CL3 TH10, Grand Isle, Vermont

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Good
54 t Inventory load rating Higher than 83% of rated Vermont bridges

C3015 in Grand Isle, Vermont sits above 83% of rated Vermont bridges on inventory load rating (54 t), while its 2009 build year is earlier than 13% of Grand Isle's recorded-year cohort (8 bridges).

C3015 in Grand Isle, Vermont is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 2009, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 8. 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 VT:100701000607011

POST-2000 · CONCRETE · SINGLE-SPAN · TIED-CTRL · LOCAL-ADT · HEAVY-LOAD · CAT-GOOD

  • POST-2000 2000+
  • CONCRETE Concrete
  • SINGLE-SPAN Single span
  • TIED-CTRL Tied control
  • LOCAL-ADT Local 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: C3015

The C3015 bridge in Grand Isle, Vermont carries C3015 over MUD CREEK. It was built in 2009, making it 17 years old today. The structure is built primarily of concrete and spans 1 section, stretching 12.8 meters (42 feet) end to end. Daily traffic averages 100 vehicles, placing it in the lower-traffic tier of Vermont bridges. It is owned and maintained by Town/Township 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.

How C3015 compares

▲ 16.1
Load rating vs Vermont average (37.4 t; 2,861 of 2,862 rated)
8
Bridges in Grand Isle

Age against the county: built in 2009, earlier than 1 of Grand Isle's 8 bridges with a recorded construction year (13%), against a county median build year of 1960. This is one of the newer structures in its county.

C3015 53.5 t
Vermont average (2,861 of 2,862 rated) 37.4 t

Live comparison across Vermont bridges with a recorded inventory load rating (2,861 of 2,862 rated).

C3015 vs every rated Vermont bridge

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

54 Top 17% higher than 83% of 2,861 bridges

rated Vermont 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
8/9
Good (7–9)
Inventory Load Rating
53.5 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.

Grand Isle inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 8 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
2009
Material
Concrete
Number of Spans
1
Structure Length
12.8 m (42 ft)
Deck Width
7.9 m (26 ft)
Owner
Town/Township Highway Agency
Avg Daily Traffic
100 vehicles/day
Structure Number
100701000607011

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) is in good condition (8/9), showing no significant deterioration.
  • At 8/9, 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 C3015 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 C3015 against other structures in Grand Isle 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 C3015?

C3015 in Grand Isle, 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 C3015 inspected?

C3015'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 100 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. C3015 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 C3015?

C3015 has an NBI inventory load rating of 53.5 metric tons.

Who is responsible for maintaining C3015?

C3015 is owned and maintained by Town/Township Highway Agency.

How old is C3015 and does age affect safety?

C3015 was built in 2009, making it 17 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

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Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.

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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.