Ingomar Rd over Muggins Creek 004
Treasure County, Montana · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Ingomar Rd over Muggins Creek 004 in Treasure County, Montana, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1970, making it 55 years old at the 2025 inventory.
- It carries about 100 vehicles a day (traffic count year 2025).
- Its listed owner is the county highway agency.
- It is one of 14 of the 26 inventoried bridges in Treasure County rated fair (53.8%); 4 (15.4%) 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 March 2023, on a 24-month routine inspection cycle.
- 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 → (46.26714, -107.36188)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 23 ft |
| Location | 2M NW Myers |
| NBI structure number | L52003001+00001 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | March 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 Montana department of transportation.
Busiest bridges in Treasure County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I 94 over Sep RR | 1973 | 5,042 | Good |
| I 94 over Int Hysham | 1964 | 2,521 | Good |
| I 94 over Int Hysham | 1976 | 2,521 | Good |
| I 94 over Sarpy Creek | 1967 | 2,521 | Good |
| I 94 over Sarpy Creek | 1976 | 2,094 | Good |
| Frontage Road 018 over Irrigation Ditch 001 | 1933 | 281 | Poor |
All bridges nearby: Treasure County, MT bridge conditions · every bridge in Treasure County · Montana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.