T 413 over Perch Creek
Blue Earth County, Minnesota · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- T 413 over Perch Creek in Blue Earth 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 1974, making it 51 years old at the 2025 inventory.
- It carries about 20 vehicles a day (traffic count year 1969).
- Its listed owner is a town or township highway agency.
- It is one of 88 of the 193 inventoried bridges in Blue Earth County rated good (45.6%); 12 (6.2%) are rated poor.
- 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 → (43.91336, -94.34912)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 7 | Good condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 36 ft |
| Location | 0.5 Mi S of Jct CR 139 |
| NBI structure number | 91322 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Minnesota department of transportation.
Busiest bridges in Blue Earth County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 14 over Minn River; Trail | 1976 | 39,000 | Fair |
| US 14 over Th 169 | 1976 | 39,000 | Fair |
| US 169 over Minn R UP RR; Str | 1960 | 34,432 | Fair |
| US 169 over Sibley St | 1992 | 23,523 | Fair |
| US 169 over Off Ramp From US 169 | 1987 | 23,523 | Fair |
| Unu 169 over Minn R UP RR; Street | 1985 | 22,949 | Poor |
All bridges nearby: Blue Earth County, MN bridge conditions · every bridge in Blue Earth County · Minnesota bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.