FHWA NBI 2024 Inspection record Public-domain dataset

VT 00078 ML

Carrying VT 00078 ML over MISSISQUOI BAY

3.0 MI E JCT. U.S.2, Grand Isle, Vermont

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Good
51 t Inventory load rating Higher than 79% of rated Vermont bridges

VT 00078 ML in Grand Isle, Vermont sits above 79% of rated Vermont bridges on inventory load rating (51 t), while its 2007 build year is earlier than 25% of Grand Isle's recorded-year cohort (8 bridges).

VT 00078 ML in Grand Isle, Vermont is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 2007, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 7. 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:200036000207012

POST-2000 · STEEL · LONG-SPAN-RUN · DECK-LED · ARTERIAL-ADT · HEAVY-LOAD · CAT-GOOD

  • POST-2000 2000+
  • STEEL Steel
  • LONG-SPAN-RUN 23 spans
  • DECK-LED Deck-led
  • ARTERIAL-ADT Arterial 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: VT 00078 ML

The VT 00078 ML bridge in Grand Isle, Vermont carries VT 00078 ML over MISSISQUOI BAY. It was built in 2007, making it 19 years old today. The structure is built primarily of steel continuous and spans 23 sections, stretching 1093.0 meters (3586 feet) end to end. Daily traffic averages 6,300 vehicles, placing it in the moderately-trafficked tier of Vermont bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 8/9, substructure at 8/9. The weakest component sits in good condition. All reported major components score above the Poor range.

How VT 00078 ML compares

▲ 13.4
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 2007, earlier than 2 of Grand Isle's 8 bridges with a recorded construction year (25%), against a county median build year of 1960. This is one of the newer structures in its county.

VT 00078 ML 50.8 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).

VT 00078 ML vs every rated Vermont bridge

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

51 Top 21% higher than 79% 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
7/9
Good (7–9)
Superstructure
8/9
Good (7–9)
Substructure
8/9
Good (7–9)
Inventory Load Rating
50.8 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
2007
Material
Steel Continuous
Number of Spans
23
Structure Length
1093.0 m (3586 ft)
Deck Width
14.1 m (46 ft)
Owner
State Highway Agency
Avg Daily Traffic
6,300 vehicles/day
Structure Number
200036000207012

Condition Analysis

  • The deck (driving surface) rates good at 7/9, with no significant deterioration on file.
  • The superstructure (beams and supports above the deck) is in good condition (8/9), showing no significant deterioration.
  • 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 VT 00078 ML 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 VT 00078 ML 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 VT 00078 ML?

VT 00078 ML in Grand Isle, Vermont has a deck rating of 7/9, superstructure rating of 8/9, and substructure rating of 8/9 on the FHWA's 0–9 scale.

How often is VT 00078 ML inspected?

VT 00078 ML'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 6,300 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. VT 00078 ML 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 VT 00078 ML?

VT 00078 ML has an NBI inventory load rating of 50.8 metric tons.

Who is responsible for maintaining VT 00078 ML?

VT 00078 ML is owned and maintained by State Highway Agency.

How old is VT 00078 ML and does age affect safety?

VT 00078 ML was built in 2007, making it 19 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

Share this inspection record

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.