Rock Creek Boat Ra over Rock Creek
Phillips County, Montana · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Rock Creek Boat Ra over Rock Creek in Phillips County, Montana, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 7 (good condition) on the 0-9 scale.
- It was built in 2023, making it 2 years old at the 2025 inventory.
- It carries about 200 vehicles a day (traffic count year 2024).
- It is one of 13 of the 101 inventoried bridges in Phillips County rated good (12.9%); 22 (21.8%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- It does not appear under this structure number in the 2024 inventory (a new or renumbered structure).
- Its most recent inspection on record is dated August 2024, 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 → (47.61267, -108.47467)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 8 | Very good condition |
| Superstructure | 8 | Very good condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 25 ft |
| Location | 10.9 miles east of US Hwy |
| NBI structure number | 000061520-01681 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | August 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 4: foundations stable, field review says exposed foundations need protection |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Montana department of transportation.
Busiest bridges in Phillips County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 2 over Milk River | 1952 | 3,681 | Fair |
| US 191 over Dodson South Canal | 2000 | 2,221 | Fair |
| US 2 over Exeter Creek | 1990 | 1,474 | Good |
| US 2 over Beaver Creek Overflow | 1968 | 1,409 | Fair |
| US 2 over Beaver Creek Overflow | 1968 | 1,409 | Fair |
| US 2 over Beaver Creek | 1966 | 1,409 | Fair |
All bridges nearby: Phillips County, MT bridge conditions · every bridge in Phillips County · Montana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.