FHWA NBI 2024 Inspection record Public-domain dataset

C3023

Carrying C3023 over KENFIELD BROOK

@ JCT W CL3 TH30, Lamoille, Vermont

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
25 t Inventory load rating

Bridge Snapshot: C3023

The C3023 bridge in Lamoille, Vermont carries C3023 over KENFIELD BROOK. It was built in 1939, making it 87 years old today. It was last reconstructed in 1975, extending its service life. The structure is built primarily of steel and spans 1 section, stretching 25.6 meters (84 feet) end to end. Daily traffic averages 400 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 4/9, superstructure at 5/9, substructure at 5/9. The weakest component sits in poor condition. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed. Its NBI inventory load rating is 25.4 metric tons.

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

How C3023 compares

▼ 11.3
Load rating vs Vermont average (36.7 t)
Bottom 26%
Lower load rating than 74% of Vermont bridges
128
Bridges in Lamoille · 5 in Poor condition
C3023 25.4 t
Vermont average 36.7 t

Live comparison across Vermont.

Historical Sufficiency Rating

PlainBridge-computed
59.8 / 100 - historical 50–79.9 band
Structural adequacy /55
39.0
Serviceability /30
9.0
Essentiality /15
14.8
Special reductions
−3.0

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 How the historical reference is calculated.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
4/9
Poor (1–4)
Superstructure
5/9
Fair (5–6)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
25.4 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1939
Last Reconstructed
1975
Material
Steel
Number of Spans
1
Structure Length
25.6 m (84 ft)
Deck Width
7.2 m (24 ft)
Owner
Town/Township Highway Agency
Avg Daily Traffic
400 vehicles/day
Structure Number
100807004008071

Condition Analysis

  • The deck (driving surface) is in poor condition (4/9), showing advanced deterioration that may require priority repair.
  • At 5/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • The substructure (piers and abutments) is in fair condition (5/9), with minor deterioration that may require routine maintenance.

How to read this record

C3023 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 C3023 against other structures in Lamoille 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 C3023?

C3023 in Lamoille, Vermont has a deck rating of 4/9, superstructure rating of 5/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is C3023 inspected?

C3023'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 400 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. C3023 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 C3023?

C3023 has an NBI inventory load rating of 25.4 metric tons.

Who is responsible for maintaining C3023?

C3023 is owned and maintained by Town/Township Highway Agency.

How old is C3023 and does age affect safety?

C3023 was built in 1939, making it 87 years old and last reconstructed in 1975.

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.