Chicago AVE over Russell Creek
Carter County, Montana · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Chicago AVE over Russell Creek in Carter County, Montana, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 8 (very good condition) on the 0-9 scale.
- It was built in 2019, making it 6 years old at the 2025 inventory.
- It carries about 480 vehicles a day (traffic count year 2023).
- Its listed owner is the county highway agency.
- It is one of 13 of the 42 inventoried bridges in Carter County rated good (31.0%); 2 (4.8%) 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 April 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 → (45.89222, -104.54806)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 8 | 8 | Very good condition |
| Superstructure | 8 | 8 | Very good condition |
| Substructure | 8 | 8 | Very good condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 40 ft |
| Location | Ekalaka-Chicago AVE |
| NBI structure number | 000000202308070 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | April 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Montana department of transportation.
Busiest bridges in Carter County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 212 over Drainage | 1965 | 2,642 | Fair |
| US 212 over Thompson Creek | 1965 | 2,642 | Fair |
| US 212 over Little Missouri River | 1965 | 2,642 | Fair |
| US 212 over Willow Creek | 1955 | 2,285 | Fair |
| Mormon Ave over Russell Creek 035 | 1940 | 480 | Fair |
| S 7 over Drainage | 1940 | 473 | Poor |
All bridges nearby: Carter County, MT bridge conditions · every bridge in Carter County · Montana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.