VT 0100C ALT
Carrying VT 0100C ALT over GIHON RIVER
0.9 MI N JCT. VT.15, Lamoille, Vermont
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: VT 0100C ALT
The VT 0100C ALT bridge in Lamoille, Vermont carries VT 0100C ALT over GIHON RIVER. It was built in 1929, making it 97 years old today. It was last reconstructed in 2018, extending its service life. The structure is built primarily of prestressed concrete and spans 1 section, stretching 11.9 meters (39 feet) end to end. Daily traffic averages 2,700 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 8/9, superstructure at 8/9, substructure at 7/9. The weakest component sits in good condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 42.6 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How VT 0100C ALT compares
Live comparison across Vermont.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1929
- Last Reconstructed
- 2018
- Material
- Prestressed Concrete
- Number of Spans
- 1
- Structure Length
- 11.9 m (39 ft)
- Deck Width
- 9.1 m (30 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 2,700 vehicles/day
- Structure Number
- 200248000108062
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) rates good at 8/9, 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 (7/9), showing no significant deterioration.
How to read this record
This page shows what the last federal inspection recorded, not whether VT 0100C ALT 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 0100C ALT 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 VT 0100C ALT?
VT 0100C ALT in Lamoille, Vermont has a deck rating of 8/9, superstructure rating of 8/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.
How often is VT 0100C ALT inspected?
VT 0100C ALT'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 2,700 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. VT 0100C ALT 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 0100C ALT?
VT 0100C ALT has an NBI inventory load rating of 42.6 metric tons.
Who is responsible for maintaining VT 0100C ALT?
VT 0100C ALT is owned and maintained by State Highway Agency.
How old is VT 0100C ALT and does age affect safety?
VT 0100C ALT was built in 1929, making it 97 years old and last reconstructed in 2018.
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.
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.