Bridge conditions in McPherson County, South Dakota
14 inventoried bridges · 0 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
None of the 14 inventoried bridges in McPherson County are rated in poor condition in the current federal inventory. 4 are rated good and 10 fair.
- 0 of the 14 bridges in McPherson County, South Dakota, are rated in poor condition (0.0%) in the 2025 National Bridge Inventory, as of .
- 4 bridges (28.6%) are rated good and 10 (71.4%) fair.
- The median McPherson County bridge was built in 1988.
Good 28.6% · Fair 71.4% · Poor 0.0% of 14 bridges
Bridges rated poor
No bridges in this county carry a poor rating in the current inventory.
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| SD010 over Foot Ck | 1957 | 770 | Fair |
| SD010 over Ck | 1957 | 770 | Fair |
| SD010 over North Br Willow Ck | 1957 | 770 | Fair |
| SD010 over Trib to Foot Ck | 2014 | 753 | Fair |
| SD045 over Ck | 1996 | 391 | Fair |
| SD045 over Ck | 1996 | 391 | Fair |
| 363RD Avenue over Creek | 1952 | 218 | Good |
| 363RD Avenue over Foot Creek | 2021 | 218 | Good |
| SD045 over Spring Ck | 1933 | 188 | Fair |
| SD047 over Ck | 1954 | 160 | Fair |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of South Dakota: South Dakota bridge conditions by county · every download on the data page.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.