Pine County Bridge Report Card
Pine County scores 84 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Pine County, Minnesota
Pine County has 172 bridges in the National Bridge Inventory, with 7 rated poor and 3 rated scour-critical. Its poor-condition share of 4.1% is at or below the 4.5% statewide average. Poor-condition bridges carry about 14,816 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Pine County a Bridge Condition Exposure Score of 84/100 (B). The county has 172 bridges in the National Bridge Inventory, including 7 in poor condition and 3 rated scour-critical. Poor-condition bridges carry about 14,816 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 | 4.1% | 8.1 |
| Poor-condition traffic exposure | 25 | 5.5% of measured traffic | 4.1 |
| Scour-critical bridge share | 20 | 1.7% | 3.5 |
| Average age vs national baseline | 10 | 38 years vs 48 nationally | 0.0 |
| Traffic-data completeness | 5 | 269,872 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 | 4.1% |
| State Poor-Condition Share | 4.5% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 1.7% |
| Average Bridge Age | 38 years |
| Poor-Condition Traffic Exposure | 14,816 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Pine County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| Csah 61 over Snake River | Poor condition + traffic exposure | Poor | 5,576 | 1976 |
| Csah 46 over Moose Horn River | Poor condition + traffic exposure | Poor | 394 | 1971 |
| I 35 over Grindstone River | Poor condition + traffic exposure | Poor | 8,150 | 1960 |
| Csah 14 over Mission Creek | Poor condition + traffic exposure | Poor | 561 | 1967 |
| M 4 over Willow River | Poor condition + traffic exposure | Poor | 80 | 1924 |
| Spr 15 over Hay Creek | Poor condition + traffic exposure | Poor | 40 | 1937 |
| Spr 18 over Bear Creek | Poor condition + traffic exposure | Poor | 15 | 1936 |
| Mn 48 over ST Croix River | Scour-critical foundation rating | Fair | 1,839 | 1984 |
| I 35 over ST Croix Valley Rr | High traffic | Good | 11,998 | 2016 |
| I 35 over ST Croix Valley Rr | High traffic | Good | 11,998 | 2016 |
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.