Csah 9 over Mustinka River
Traverse County, Minnesota · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Csah 9 over Mustinka River in Traverse County, Minnesota, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 1991, making it 34 years old at the 2025 inventory.
- It carries about 530 vehicles a day (traffic count year 2020).
- Its listed owner is the county highway agency.
- It is one of 77 of the 120 inventoried bridges in Traverse County rated good (64.2%); 2 (1.7%) 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 October 2023, on a 24-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 → (45.81377, -96.50877)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Continuous concrete slab |
| Length | about 119 ft |
| Location | 0.8 Mi NW of Jct Th 27 |
| NBI structure number | 78508 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | October 2023 |
| 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 Traverse County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 75 over Mustinka River | 2020 | 1,366 | Good |
| Mn 27 over Eighteen Mile Creek | 1936 | 1,155 | Fair |
| Mn Hw 28/SD Hw 10 over Lake Travrse Overflw Div | 1945 | 1,120 | Fair |
| US 75 over Eighteen Mile Creek | 1941 | 1,099 | Fair |
| US 75 over Mustinka River | 1939 | 1,075 | Fair |
| Mn 27 over Twelve Mile Creek | 1970 | 962 | Fair |
All bridges nearby: Traverse County, MN bridge conditions · every bridge in Traverse County · Minnesota bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.