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

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
51 t Inventory load rating

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. Its NBI inventory load rating is 50.8 metric tons.

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

How VT 00078 ML compares

▲ 14.1
Load rating vs Vermont average (36.7 t)
Top 20%
Higher load rating than 80% of Vermont bridges
8
Bridges in Grand Isle
VT 00078 ML 50.8 t
Vermont average 36.7 t

Live comparison across Vermont.

Historical Sufficiency Rating

PlainBridge-computed
83.7 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
29.0
Essentiality /15
0.0
Special reductions
−0.3

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 How the historical reference is calculated.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
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.

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

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.