Csah 53 over I 90
Martin County, Minnesota · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Csah 53 over I 90 in Martin 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 1972, making it 53 years old at the 2025 inventory.
- It carries about 1,089 vehicles a day (traffic count year 2022).
- Its listed owner is the state highway agency.
- It is one of 48 of the 162 inventoried bridges in Martin County rated fair (29.6%); 39 (24.1%) 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 June 2023, 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 → (43.6703, -94.3476)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 5 | 5 | Fair condition |
Bridge details
| Structure | Prestressed concrete stringer or multi-beam girder |
| Length | about 307 ft |
| Location | at the Jct Th 262 |
| NBI structure number | 46823 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | June 2023 |
| 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 Martin County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Mn 15 over Center Creek | 1973 | 11,176 | Good |
| I 90 over E Fk Des Moines River | 1973 | 8,600 | Fair |
| I 90 over E Fk Des Moines River | 1972 | 8,600 | Fair |
| I 90 over Stream | 1972 | 8,600 | Good |
| I 90 over E Fk Des Moines River | 1973 | 8,600 | Good |
| I 90 over South Creek | 1972 | 8,111 | Fair |
All bridges nearby: Martin County, MN bridge conditions · every bridge in Martin County · Minnesota bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.