T 128 over Straight River
Steele County, Minnesota · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- T 128 over Straight River in Steele County, Minnesota, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 1 (imminent failure condition) on the 0-9 scale.
- It was built in 1958, making it 67 years old at the 2025 inventory.
- It carries about 30 vehicles a day (traffic count year 2018).
- Its listed owner is a town or township highway agency.
- It is one of 5 of the 134 inventoried bridges in Steele County rated poor (3.7%); 5 (3.7%) are rated poor.
- Its traffic status in the 2025 inventory is closed to all traffic (NBI item 41).
- It was rated fair in the 2024 inventory and is now poor (substructure 5 to 1).
- Status change: newly closed since 2024.
- Its most recent inspection on record is dated October 2024, on a 12-month routine inspection cycle.
- 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 → (43.89872, -93.19605)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 5 | Fair condition |
| Superstructure | 5 | 5 | Fair condition |
| Substructure | 5 | 1 | Imminent failure condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 36 ft |
| Location | 0.6 Mi S of Jct CR55 |
| NBI structure number | L5584 |
| Condition class | Poor |
| Traffic status (item 41) | Closed to all traffic |
| Last inspection (item 90) | October 2024 |
| Inspection interval (item 91) | 12 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 Steele County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I 35 over Crane Creek | 1958 | 30,387 | Fair |
| I 35 over Ditch | 1964 | 21,305 | Fair |
| I 35 over Dme RR | 2014 | 17,891 | Good |
| I 35 over Dme RR | 2014 | 17,891 | Good |
| I 35 over Csah 34 | 1995 | 17,000 | Good |
| I 35 over Hoffman Drive NW | 2014 | 17,000 | Good |
All bridges nearby: Steele County, MN bridge conditions · every bridge in Steele County · Minnesota bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.