Anoka County Bridge Report Card
Anoka County scores 90 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Anoka County, Minnesota
Anoka County has 151 bridges in the National Bridge Inventory, with 4 rated poor and 3 rated scour-critical. Its poor-condition share of 2.6% is at or below the 4.5% statewide average. Poor-condition bridges carry about 24,464 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Anoka County a Bridge Condition Exposure Score of 90/100 (A). The county has 151 bridges in the National Bridge Inventory, including 4 in poor condition and 3 rated scour-critical. Poor-condition bridges carry about 24,464 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 | 2.6% | 5.3 |
| Poor-condition traffic exposure | 25 | 0.8% of measured traffic | 0.6 |
| Scour-critical bridge share | 20 | 2.0% | 4.0 |
| Average age vs national baseline | 10 | 33 years vs 48 nationally | 0.0 |
| Traffic-data completeness | 5 | 2,904,426 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 | 2.6% |
| State Poor-Condition Share | 4.5% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 2.0% |
| Average Bridge Age | 33 years |
| Poor-Condition Traffic Exposure | 24,464 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Anoka County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| Csah 7 over Seelye Brook | Poor condition + traffic exposure | Poor | 5,661 | 1984 |
| CR 71 over Seelye Brook | Poor condition + traffic exposure | Poor | 641 | 1986 |
| Msas 116 over Bnsf Rr | Poor condition + traffic exposure | Poor | 13,200 | 1972 |
| Csah 35 over Rice Creek | Poor condition + traffic exposure | Poor | 4,962 | 1920 |
| CR 18 over Coon Creek | Scour-critical foundation rating | Good | 11,229 | 1990 |
| I 694 over 7th St. NE | High traffic | Fair | 136,181 | 1988 |
| I 694 over Mn 47 | High traffic | Fair | 136,181 | 1988 |
| I 694 over Mn 65 | High traffic | Fair | 119,379 | 1988 |
| US 10 over Coon Creek | High traffic | Fair | 83,143 | 1965 |
| I 694 over E River RD | High traffic | Fair | 80,500 | 1962 |
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.