T 40 over Mayhew Creek
Benton County, Minnesota · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- T 40 over Mayhew Creek in Benton County, Minnesota, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1979, making it 46 years old at the 2025 inventory.
- It carries about 22 vehicles a day (traffic count year 1971).
- Its listed owner is a town or township highway agency.
- It is one of 43 of the 118 inventoried bridges in Benton County rated fair (36.4%); 11 (9.3%) are rated poor.
- 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 → (45.79442, -94.02109)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 24 ft |
| Location | 0.5 Mi W of Jct CR 60 |
| NBI structure number | 91918 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Minnesota department of transportation.
Busiest bridges in Benton County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Mn 23 over US 10 | 2024 | 28,884 | Good |
| Mn 23 over US 10 | 2023 | 28,884 | Good |
| Mn 15 over Benton Dr Miss Rvr RR | 1993 | 26,000 | Fair |
| Msas 115 over Miss R BNSF RR Strs | 2006 | 20,400 | Good |
| US 10 over Csah 2 | 2013 | 12,750 | Good |
| US 10 over Csah 2 | 2013 | 12,750 | Good |
All bridges nearby: Benton County, MN bridge conditions · every bridge in Benton County · Minnesota bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.