Lamoille County Bridge Report Card
Lamoille County scores 74 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Lamoille County, Vermont
Lamoille County has 127 bridges in the National Bridge Inventory, with 4 rated poor and 8 rated scour-critical. Its poor-condition share of 3.1% is at or below the 4.0% statewide average. Poor-condition bridges carry about 6,300 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Lamoille County a Bridge Condition Exposure Score of 74/100 (C). The county has 127 bridges in the National Bridge Inventory, including 4 in poor condition and 8 rated scour-critical. Poor-condition bridges carry about 6,300 daily vehicle crossings. Poor condition does not mean unsafe; bridges judged unsafe are closed or restricted by transportation agencies.
How the Score Breaks Down
| Factor | Weight | County Value | Penalty |
|---|---|---|---|
| Poor-condition bridge share | 40 | 3.1% | 6.3 |
| Poor-condition traffic exposure | 25 | 2.5% of measured traffic | 1.9 |
| Scour-critical bridge share | 20 | 6.3% | 12.6 |
| Average age vs national baseline | 10 | 61 years vs 48 nationally | 5.3 |
| Traffic-data completeness | 5 | 249,196 measured daily crossings | 0.0 |
Score = 100 minus weighted penalties. The score is a comparative research signal, not an official safety rating. Read the full methodology.
County Comparisons
| County Poor-Condition Share | 3.1% |
| State Poor-Condition Share | 4.0% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 6.3% |
| Average Bridge Age | 61 years |
| Poor-Condition Traffic Exposure | 6,300 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Lamoille County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| C3023 over West Branch Little River | Poor condition + traffic exposure | Poor | 1,500 | 1958 |
| Vt 00100 Ml over Gihon River | Poor condition + traffic exposure | Poor | 4,100 | 1932 |
| C3043 over Miller Brook | Poor condition + traffic exposure | Poor | 400 | 1948 |
| C3043 over Miller Brook | Poor condition + traffic exposure | Poor | 300 | 1925 |
| Tr 03 Fas 238 over Lake Lamoille | Scour-critical foundation rating | Fair | 860 | 1977 |
| C3003 over Bedell Brook | Scour-critical foundation rating | Good | 600 | 1967 |
| C2006 over Ryder Brook | Scour-critical foundation rating | Fair | 340 | 1934 |
| C3016 over Moss Glen Brook | Scour-critical foundation rating | Fair | 100 | 1982 |
| C3075 over Brewster River | Scour-critical foundation rating | Fair | 40 | 1929 |
| C3034 over Ranch Brook | Scour-critical foundation rating | Good | 40 | 1976 |
Important safety note
Poor condition does not mean a bridge is unsafe. It means at least one major component has significant deterioration and the bridge is a priority for maintenance, repair, or replacement. Bridges judged unsafe are closed or restricted by transportation agencies.