14TH St SE over Lone Tree Creek
Richland County, Montana · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- 14TH St SE over Lone Tree Creek in Richland County, Montana, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1973, making it 52 years old at the 2025 inventory.
- It carries about 3,099 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 66 of the 97 inventoried bridges in Richland County rated fair (68.0%); 4 (4.1%) are rated poor.
- 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 → (47.70354, -104.16127)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 5 | Fair condition |
| Superstructure | 5 | Fair condition |
| Substructure | 6 | Satisfactory condition |
Bridge details
| Structure | Continuous concrete slab |
| Length | about 89 ft |
| Location | S Edge Sidney-14th St SE |
| NBI structure number | U10402000+02061 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Montana department of transportation.
Busiest bridges in Richland County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| S 16-holly St over Usrs Canal | 1999 | 5,874 | Fair |
| S 200 over First Hay Creek | 1986 | 4,499 | Fair |
| S 200 over Second Hay Creek | 1986 | 4,499 | Good |
| S 16-s Central Ave over Lone Tree Creek | 1974 | 3,968 | Fair |
| S 16 over Usbr Main Canal | 1984 | 2,821 | Fair |
| S 16 over Crane Creek | 1957 | 2,821 | Poor |
All bridges nearby: Richland County, MT bridge conditions · every bridge in Richland County · Montana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.