T 300 over Otter Tail River
Becker County, Minnesota · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- T 300 over Otter Tail River in Becker County, Minnesota, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1981, making it 44 years old at the 2025 inventory.
- It carries about 8 vehicles a day (traffic count year 1969).
- Its listed owner is a town or township highway agency.
- It is one of 11 of the 53 inventoried bridges in Becker County rated fair (20.8%); 1 (1.9%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its class is unchanged from 2024 (fair), but component ratings moved: substructure 7 to 5.
- 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 → (46.78476, -95.69644)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 7 | 5 | Fair condition |
Bridge details
| Structure | Timber slab |
| Length | about 96 ft |
| Location | 1.4 Mi NE of Jct Csah 29 |
| NBI structure number | 03506 |
| 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) | 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 Becker County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 59 over BNSF RR and Cp Rail Line | 2007 | 13,966 | Fair |
| US 10 over Roosevelt Ave (msas 110) | 2007 | 13,448 | Fair |
| US 59 over Holmes St; Walk Path | 2015 | 9,939 | Good |
| US 10 over Cp Rail Line | 1992 | 8,671 | Good |
| US 10 over Cp Rail Line | 2017 | 8,671 | Good |
| Mn 34 over Otter Tail River | 1940 | 5,025 | Fair |
All bridges nearby: Becker County, MN bridge conditions · every bridge in Becker County · Minnesota bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.