FHWA NBI 2024 Inspection record Public-domain dataset

US 00004 ML

Carrying US 00004 ML over OTTAUQUECHEE RIVER

1.9 MI E JCT. VT.100 S, Windsor, Vermont

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
57 t Inventory load rating

Bridge Snapshot: US 00004 ML

The US 00004 ML bridge in Windsor, Vermont carries US 00004 ML over OTTAUQUECHEE RIVER. It was built in 1962, making it 64 years old today. It was last reconstructed in 1991, extending its service life. The structure is built primarily of steel and spans 1 section, stretching 30.2 meters (99 feet) end to end. Daily traffic averages 4,100 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 6/9, superstructure at 8/9, substructure at 7/9. 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 57.2 metric tons.

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

How US 00004 ML compares

▲ 20.5
Load rating vs Vermont average (36.7 t)
Top 11%
Higher load rating than 89% of Vermont bridges
498
Bridges in Windsor · 18 in Poor condition
US 00004 ML 57.2 t
Vermont average 36.7 t

Live comparison across Vermont.

Historical Sufficiency Rating

PlainBridge-computed
77.6 / 100 - historical 50–79.9 band
Structural adequacy /55
55.0
Serviceability /30
12.0
Essentiality /15
10.6
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 How the historical reference is calculated.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
6/9
Fair (5–6)
Superstructure
8/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
57.2 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1962
Last Reconstructed
1991
Material
Steel
Number of Spans
1
Structure Length
30.2 m (99 ft)
Deck Width
10.8 m (35 ft)
Owner
State Highway Agency
Avg Daily Traffic
4,100 vehicles/day
Structure Number
200020004014052

Condition Analysis

  • The deck (driving surface) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • The superstructure (beams and supports above the deck) is in good condition (8/9), showing no significant deterioration.
  • At 7/9, 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 US 00004 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 US 00004 ML against other structures in Windsor 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 US 00004 ML?

US 00004 ML in Windsor, Vermont has a deck rating of 6/9, superstructure rating of 8/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is US 00004 ML inspected?

US 00004 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 4,100 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. US 00004 ML 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 US 00004 ML?

US 00004 ML has an NBI inventory load rating of 57.2 metric tons.

Who is responsible for maintaining US 00004 ML?

US 00004 ML is owned and maintained by State Highway Agency.

How old is US 00004 ML and does age affect safety?

US 00004 ML was built in 1962, making it 64 years old and last reconstructed in 1991.

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.