Crescent Street over Big Sioux River
Moody County, South Dakota · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Crescent Street over Big Sioux River in Moody County, South Dakota, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 2 (critical condition) on the 0-9 scale.
- It was built in 1935, making it 90 years old at the 2025 inventory.
- It is one of 18 of the 88 inventoried bridges in Moody County rated poor (20.5%); 18 (20.5%) 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 → (44.05333, -96.59344)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 4 | Poor condition |
| Superstructure | 2 | Critical condition |
| Substructure | 5 | Fair condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 242 ft |
| Location | Crescent St - Flandreau |
| NBI structure number | 0000A03341T0100 |
| Condition class | Poor |
Source: FHWA National Bridge Inventory, 2025 data as reported by the South Dakota department of transportation.
Busiest bridges in Moody County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I029 S over 243 St | 1963 | 10,190 | Fair |
| I029 N over 243 St | 1963 | 10,190 | Fair |
| I029 S over 238 St | 1963 | 10,030 | Fair |
| I029 S over Bachelor Ck | 1964 | 10,030 | Fair |
| I029 N over 238 St | 1963 | 10,030 | Fair |
| I029 N over Bachelor Ck | 1964 | 10,030 | Fair |
All bridges nearby: Moody County, SD bridge conditions · every bridge in Moody County · South Dakota bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.