T 187 over Sunrise River
Chisago County, Minnesota · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- T 187 over Sunrise River in Chisago County, Minnesota, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 8 (very good condition) on the 0-9 scale.
- It was built in 2012, making it 13 years old at the 2025 inventory.
- It carries about 157 vehicles a day (traffic count year 2012).
- Its listed owner is a town or township highway agency.
- It is one of 32 of the 61 inventoried bridges in Chisago County rated good (52.5%); 1 (1.6%) 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 August 2021, on a 48-month routine inspection cycle.
- 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 → (45.4804, -92.87521)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 8 | 8 | Very good condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 60 ft |
| Location | 0.3 Mi SE of Jct Csah 11 |
| NBI structure number | 13J13 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | August 2021 |
| Inspection interval (item 91) | 48 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 Chisago County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I 35 over Rush Creek | 1967 | 27,920 | Fair |
| Mn 95 over I 35 | 2010 | 20,467 | Good |
| US 8 over Channel | 2012 | 19,638 | Good |
| US 61 over I 35 | 1967 | 14,200 | Fair |
| US 61 over S Br Sunrise River | 1967 | 14,200 | Good |
| US 8 over Center Lake Channel | 2005 | 13,800 | Fair |
All bridges nearby: Chisago County, MN bridge conditions · every bridge in Chisago County · Minnesota bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.