T 12 over Elm Creek
Martin County, Minnesota · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- T 12 over Elm Creek in Martin 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 1979, making it 46 years old at the 2025 inventory.
- It carries about 26 vehicles a day (traffic count year 1986).
- Its listed owner is a town or township highway agency.
- It is one of 39 of the 162 inventoried bridges in Martin County rated poor (24.1%); 39 (24.1%) 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 7 to 1).
- Status change: newly closed since 2024.
- Its most recent inspection on record is dated October 2022, on a 24-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 → (43.71071, -94.69454)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 7 | 1 | Imminent failure condition |
Bridge details
| Structure | Timber slab |
| Length | about 119 ft |
| Location | 1.5 Mi S of Jct CR 138 |
| NBI structure number | 46542 |
| Condition class | Poor |
| Traffic status (item 41) | Closed to all traffic |
| Last inspection (item 90) | October 2022 |
| 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 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.