Hutchinson County Bridge Report Card
Hutchinson County scores 53 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Hutchinson County, South Dakota
Hutchinson County has 160 bridges in the National Bridge Inventory, with 24 rated poor and 8 rated scour-critical. Its poor-condition share of 15.0% is at or below the 16.1% statewide average. Poor-condition bridges carry about 3,574 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Hutchinson County a Bridge Condition Exposure Score of 53/100 (F). The county has 160 bridges in the National Bridge Inventory, including 24 in poor condition and 8 rated scour-critical. Poor-condition bridges carry about 3,574 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 | 15.0% | 30.0 |
| Poor-condition traffic exposure | 25 | 6.9% of measured traffic | 5.2 |
| Scour-critical bridge share | 20 | 5.0% | 10.0 |
| Average age vs national baseline | 10 | 51 years vs 48 nationally | 1.4 |
| Traffic-data completeness | 5 | 51,897 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 | 15.0% |
| State Poor-Condition Share | 16.1% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 5.0% |
| Average Bridge Age | 51 years |
| Poor-Condition Traffic Exposure | 3,574 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Hutchinson County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| Us018 over James Rv | Poor condition + traffic exposure | Poor | 668 | 1956 |
| Sd044 over North Br Dry Ck | Poor condition + traffic exposure | Poor | 1,651 | 1964 |
| Ash Street over Pony Ck | Poor condition + traffic exposure | Poor | 317 | 1950 |
| 27260 418 Ave. over Pony Ck | Poor condition + traffic exposure | Poor | 81 | 1939 |
| 42130 Co. Rd. 11 over Plum Ck | Poor condition + traffic exposure | Poor | 69 | 1935 |
| 41840 280 St. over Dry Ck | Poor condition + traffic exposure | Poor | 69 | 1941 |
| 28770 423 Ave. over South Br Lonetree Ck | Poor condition + traffic exposure | Poor | 69 | 1960 |
| 28550 421 Ave. over Ck | Poor condition + traffic exposure | Poor | 69 | 1978 |
| 28450 423 AVE over Lonetree Ck | Poor condition + traffic exposure | Poor | 69 | 1985 |
| Ben Street over Pony Ck | Poor condition + traffic exposure | Poor | 51 | 1941 |
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.