Service Rd over South Fork Zumbro River
Olmsted County, Minnesota · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Service Rd over South Fork Zumbro River in Olmsted County, Minnesota, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 1 (imminent failure condition) on the 0-9 scale.
- It was built in 1895, making it 130 years old at the 2025 inventory.
- It carries about 75 vehicles a day (traffic count year 2014).
- Its listed owner is the county highway agency.
- It is one of 5 of the 367 inventoried bridges in Olmsted County rated poor (1.4%); 5 (1.4%) 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 → (44.12965, -92.46251)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 6 | Satisfactory condition |
| Superstructure | 1 | Imminent failure condition |
| Substructure | 1 | Imminent failure condition |
Bridge details
| Structure | Steel through truss |
| Length | about 149 ft |
| Location | 1.4 Mi E of Jct CR 112 |
| NBI structure number | L6322 |
| Condition class | Poor |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Minnesota department of transportation.
Busiest bridges in Olmsted County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 52 over Stream | 2005 | 52,227 | Good |
| US 52 over Kings Run | 2005 | 52,227 | Fair |
| US 52 over Cascade Creek | 2004 | 46,000 | Good |
| US 52 over US 14(CIVIC Center Dr) | 2004 | 45,000 | Good |
| US 52 over US 14(CIVIC Center Dr) | 2004 | 42,317 | Good |
| US 52 over Cascade Creek | 2004 | 42,317 | Good |
All bridges nearby: Olmsted County, MN bridge conditions · every bridge in Olmsted County · Minnesota bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.