158 Street over Ck
Codington County, South Dakota · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- 158 Street over Ck in Codington County, South Dakota, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1928, making it 97 years old at the 2025 inventory.
- It carries about 73 vehicles a day (traffic count year 2022).
- Its listed owner is the county highway agency.
- It is one of 46 of the 75 inventoried bridges in Codington County rated fair (61.3%); 14 (18.7%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated June 2023, on a 24-month routine inspection cycle.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (45.09396, -97.34928)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 5 | 5 | Fair condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 20 ft |
| Location | 2.3 N 0.9 W Florence |
| NBI structure number | 000000015071040 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | June 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the South Dakota department of transportation.
Busiest bridges in Codington County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US212 over Big Sioux Rv | 2019 | 14,592 | Good |
| US212 Ser Rd over Ck | 1970 | 12,968 | Fair |
| US212 over Willow Ck | 1970 | 10,862 | Fair |
| US081 over Big Sioux Rv | 1966 | 7,665 | Fair |
| W Kemp Avenue over Big Sioux River | 1935 | 5,053 | Fair |
| 14TH Ave. N Wtn. over Big Sioux Rv | 1974 | 4,970 | Poor |
All bridges nearby: Codington County, SD bridge conditions · every bridge in Codington County · South Dakota bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.