US 10 over Otter Tail River
Otter Tail County, Minnesota · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US 10 over Otter Tail River in Otter Tail County, Minnesota, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 7 (good condition) on the 0-9 scale.
- It was built in 1972, making it 53 years old at the 2025 inventory.
- It carries about 8,640 vehicles a day (traffic count year 2022).
- Its listed owner is the state highway agency.
- It is one of 59 of the 148 inventoried bridges in Otter Tail County rated good (39.9%); 11 (7.4%) 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 2023, on a 24-month routine inspection cycle.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (46.6721, -95.66615)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 7 | 7 | Good condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 42 ft |
| Location | 1.1 Mi NW of Jct Th 228 |
| NBI structure number | 91238 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | August 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 Minnesota department of transportation.
Busiest bridges in Otter Tail County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I 94 over Otter Tail River | 1960 | 17,300 | Fair |
| Msas 104 over Ottertail River | 2002 | 11,700 | Good |
| I 94 over Csah 88 | 1964 | 9,100 | Fair |
| Msas 104 over Otv Railroad | 1939 | 8,700 | Fair |
| I 94 over Csah 88 | 1964 | 8,156 | Fair |
| I 94 over Pelican River | 1960 | 8,156 | Fair |
All bridges nearby: Otter Tail County, MN bridge conditions · every bridge in Otter Tail County · Minnesota bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.