144TH Street over Snake Creek
Brown County, South Dakota · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- 144TH Street over Snake Creek in Brown 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 2007, making it 18 years old at the 2025 inventory.
- It carries about 98 vehicles a day (traffic count year 2022).
- Its listed owner is the county highway agency.
- It is one of 95 of the 170 inventoried bridges in Brown County rated fair (55.9%); 20 (11.8%) are rated poor.
- 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 → (45.30164, -98.71593)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 5 | Fair condition |
Bridge details
| Structure | Steel culvert |
| Length | about 29 ft |
| Location | 4N & 7.7W of Mansfield |
| NBI structure number | 000000007003440 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the South Dakota department of transportation.
Busiest bridges in Brown County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US012 over Moccasin Ck | 1954 | 21,635 | Poor |
| Second Street over First Ave NW | 2003 | 11,055 | Fair |
| Second Street over Burlington Northern RR | 2003 | 11,055 | Fair |
| Second Street over Railroad Ave SW | 2003 | 11,055 | Fair |
| 3RD Avenue SE over Moccasin Creek | 2019 | 5,087 | Good |
| US281 over BNSF Railroad | 2001 | 4,468 | Fair |
All bridges nearby: Brown County, SD bridge conditions · every bridge in Brown County · South Dakota bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.