Isanti County Bridge Report Card
Isanti County scores 89 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Isanti County, Minnesota
Isanti County has 37 bridges in the National Bridge Inventory, with 2 rated poor and 0 rated scour-critical. Its poor-condition share of 5.4% is above the 4.5% statewide average. Poor-condition bridges carry about 186 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Isanti County a Bridge Condition Exposure Score of 89/100 (B). The county has 37 bridges in the National Bridge Inventory, including 2 in poor condition and 0 rated scour-critical. Poor-condition bridges carry about 186 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 | 5.4% | 10.8 |
| Poor-condition traffic exposure | 25 | 0.2% of measured traffic | 0.2 |
| Scour-critical bridge share | 20 | 0.0% | 0.0 |
| Average age vs national baseline | 10 | 28 years vs 48 nationally | 0.0 |
| Traffic-data completeness | 5 | 87,199 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 | 5.4% |
| State Poor-Condition Share | 4.5% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 0.0% |
| Average Bridge Age | 28 years |
| Poor-Condition Traffic Exposure | 186 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Isanti County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| CR 63 over Stanchfield Creek | Poor condition + traffic exposure | Poor | 175 | 1970 |
| T 47 over Bnsf Rr | Poor condition + traffic exposure | Poor | 11 | 1985 |
| Mn 95 over Rum River | High traffic | Good | 11,700 | 2014 |
| Csah 5 over Rum River | High traffic | Fair | 8,522 | 1978 |
| Msas 113 over Bnsf Rr | High traffic | Good | 7,832 | 1995 |
| Mn 95 over Rum River | High traffic | Good | 6,629 | 2009 |
| Mn 65 over 16th AVE SE | High traffic | Good | 6,400 | 1992 |
| Mn 65 over 16th AVE SE | High traffic | Fair | 5,850 | 1992 |
| Mn 65 over TH 95 | High traffic | Fair | 4,900 | 1992 |
| Mn 65 over Bnsf Rr; Csah 30 | High traffic | Fair | 4,900 | 1992 |
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.