US 00004 ML
Carrying US 00004 ML over OTTAUQUECHEE RIVER
3.6 MI E JCT. VT.12 S, Windsor, Vermont
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
US 00004 ML in Windsor, Vermont sits above 34% of rated Vermont bridges on inventory load rating (33 t), while its 1911 build year is earlier than 97% of Windsor's recorded-year cohort (483 bridges).
US 00004 ML in Windsor, Vermont is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1911, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 4. The lowest applicable rating sets the federal condition category, so this Poor 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:200020006114082
PRE-1950 · STEEL · SINGLE-SPAN · SUPER-LED · ARTERIAL-ADT · STANDARD-LOAD · CAT-POOR
- PRE-1950 Pre-1950
- STEEL Steel
- SINGLE-SPAN Single span
- SUPER-LED Superstructure-led
- ARTERIAL-ADT Arterial ADT
- STANDARD-LOAD Standard load
- CAT-POOR Poor
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: US 00004 ML
The US 00004 ML bridge in Windsor, Vermont carries US 00004 ML over OTTAUQUECHEE RIVER. It was built in 1911, making it 115 years old today. It was last reconstructed in 1989, extending its service life. The structure is built primarily of steel and spans 1 section, stretching 86.9 meters (285 feet) end to end. Daily traffic averages 8,900 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 4/9, substructure at 6/9. The weakest component sits in poor condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules.
How US 00004 ML compares
Age against the county: built in 1911, earlier than 467 of Windsor's 483 bridges with a recorded construction year (97%), against a county median build year of 1966. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.
Live comparison across Vermont bridges with a recorded inventory load rating (2,861 of 2,862 rated).
US 00004 ML vs every rated Vermont bridge
Inventory load rating (metric tons), FHWA NBI, this state
33 Top 66% higher than 34% 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
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.
Windsor inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 483 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
- 1911
- Last Reconstructed
- 1989
- Material
- Steel
- Number of Spans
- 1
- Structure Length
- 86.9 m (285 ft)
- Deck Width
- 12.5 m (41 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 8,900 vehicles/day
- Structure Number
- 200020006114082
Condition Analysis
- • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
- • The superstructure (beams and supports above the deck) is in poor condition (4/9), showing advanced deterioration on the inspecting agency's 0-9 scale.
- • At 6/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
US 00004 ML is in the federal Poor condition category. That is a component-based result, not a closure order.
- NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
- Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
- 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 7/9, superstructure rating of 4/9, and substructure rating of 6/9 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 8,900 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 Poor 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 32.7 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 1911, making it 115 years old and last reconstructed in 1989.
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.
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.
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.