US 169 over Sibley St
Blue Earth County, Minnesota · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US 169 over Sibley St in Blue Earth County, Minnesota, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1992, making it 33 years old at the 2025 inventory.
- It carries about 23,523 vehicles a day (traffic count year 2022).
- Its listed owner is the state highway agency.
- It is one of 93 of the 193 inventoried bridges in Blue Earth County rated fair (48.2%); 12 (6.2%) 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 August 2024, 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 → (44.15823, -94.02455)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 8 | 8 | Very good condition |
Bridge details
| Structure | Continuous concrete slab |
| Length | about 161 ft |
| Location | at Jct Th 66 In Mankato |
| NBI structure number | 07030 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | August 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | N: not over a waterway |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Minnesota department of transportation.
Busiest bridges in Blue Earth County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 14 over Minn River; Trail | 1976 | 39,000 | Fair |
| US 14 over Th 169 | 1976 | 39,000 | Fair |
| US 169 over Minn R UP RR; Str | 1960 | 34,432 | Fair |
| US 169 over Off Ramp From US 169 | 1987 | 23,523 | Fair |
| Unu 169 over Minn R UP RR; Street | 1985 | 22,949 | Poor |
| US 169 over S Riverfront Dr | 1992 | 19,700 | Fair |
All bridges nearby: Blue Earth County, MN bridge conditions · every bridge in Blue Earth County · Minnesota bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.