Mn 55 over Th 28
Pope County, Minnesota · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Mn 55 over Th 28 in Pope County, Minnesota, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1987, making it 38 years old at the 2025 inventory.
- It carries about 3,000 vehicles a day (traffic count year 2020).
- Its listed owner is the state highway agency.
- It is one of 6 of the 47 inventoried bridges in Pope County rated fair (12.8%); 1 (2.1%) 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 September 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 → (45.6479, -95.3696)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 95 ft |
| Location | at the Jct of Th 55 |
| NBI structure number | 61002 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | September 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 Pope County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Mn 29 over Mn 55; Railroad | 2022 | 6,000 | Fair |
| Mn 29 over Outlet Creek | 2012 | 3,650 | Good |
| Mn 55 over E Br Chippewa River | 1935 | 2,385 | Fair |
| Mn 28 over Little Chippewa River | 1931 | 2,000 | Good |
| Mn 28 over Chippewa River | 1981 | 2,000 | Good |
| Csah 3 over Chippewa River | 1982 | 830 | Good |
All bridges nearby: Pope County, MN bridge conditions · every bridge in Pope County · Minnesota bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.