State Park Rd over Split Rock Ck
Minnehaha County, South Dakota · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- State Park Rd over Split Rock Ck in Minnehaha County, South Dakota, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1908, making it 117 years old at the 2025 inventory.
- It carries about 35 vehicles a day (traffic count year 2022).
- It is one of 36 of the 394 inventoried bridges in Minnehaha County rated poor (9.1%); 36 (9.1%) are rated poor.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (43.68897, -96.51835)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 5 | Fair condition |
| Superstructure | 4 | Poor condition |
| Substructure | 5 | Fair condition |
Bridge details
| Structure | Steel through truss |
| Length | about 119 ft |
| Location | 1.5S & 0.5 W Garretson |
| NBI structure number | 000000050307110 |
| Condition class | Poor |
Source: FHWA National Bridge Inventory, 2025 data as reported by the South Dakota department of transportation.
Busiest bridges in Minnehaha County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I229 over Ck | 1959 | 43,830 | Fair |
| West 12TH Street over Big Sioux River | 1997 | 40,100 | Good |
| E 10TH St over I229 | 1995 | 35,954 | Fair |
| I229 over W 57TH St | 1995 | 34,780 | Good |
| I029 S over Skunk Ck | 1989 | 33,310 | Fair |
| I029 N over Skunk Ck | 1989 | 33,310 | Fair |
All bridges nearby: Minnehaha County, SD bridge conditions · every bridge in Minnehaha County · South Dakota bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.