Hennepin County Bridge Report Card
Hennepin County scores 89 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Hennepin County, Minnesota
Hennepin County has 941 bridges in the National Bridge Inventory, with 41 rated poor and 4 rated scour-critical. Its poor-condition share of 4.4% is at or below the 4.5% statewide average. Poor-condition bridges carry about 383,959 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Hennepin County a Bridge Condition Exposure Score of 89/100 (B). The county has 941 bridges in the National Bridge Inventory, including 41 in poor condition and 4 rated scour-critical. Poor-condition bridges carry about 383,959 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 | 4.4% | 8.7 |
| Poor-condition traffic exposure | 25 | 2.0% of measured traffic | 1.5 |
| Scour-critical bridge share | 20 | 0.4% | 0.9 |
| Average age vs national baseline | 10 | 41 years vs 48 nationally | 0.0 |
| Traffic-data completeness | 5 | 19,478,973 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 | 4.4% |
| State Poor-Condition Share | 4.5% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 0.4% |
| Average Bridge Age | 41 years |
| Poor-Condition Traffic Exposure | 383,959 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Hennepin County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| I 494 over Minnesota River | Poor condition + traffic exposure | Poor | 44,357 | 1981 |
| I 494 over Minnesota River | Poor condition + traffic exposure | Poor | 44,357 | 1981 |
| Mn 100 over Shingle Creek | Poor condition + traffic exposure | Poor | 32,146 | 1964 |
| Mn 100 over Shingle Creek | Poor condition + traffic exposure | Poor | 32,146 | 1991 |
| Csah 15 over Bnsf; Dak Rr; ST | Poor condition + traffic exposure | Poor | 23,800 | 1973 |
| Mn 55 over Cedar AVE | Poor condition + traffic exposure | Poor | 21,982 | 1967 |
| Csah 158 over Cp Rail | Poor condition + traffic exposure | Poor | 19,510 | 1927 |
| Csah 152 over Bassett Creek Tunnel | Poor condition + traffic exposure | Poor | 14,987 | 1923 |
| Mn 55 over Bnsf; Cp Rail | Poor condition + traffic exposure | Poor | 14,248 | 1984 |
| Csah 130 over US 169 | Poor condition + traffic exposure | Poor | 12,311 | 1984 |
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.