S 239 over Judith River
Judith Basin County, Montana · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- S 239 over Judith River in Judith Basin County, Montana, 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 1961 and reconstructed in 2008, making it 64 years old at the 2025 inventory.
- It carries about 324 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 26 of the 45 inventoried bridges in Judith Basin County rated good (57.8%); 7 (15.6%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- It was rated fair in the 2024 inventory and is now good (superstructure 6 to 7).
- Its most recent inspection on record is dated June 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 → (46.99747, -109.92603)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 6 | 7 | Good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete stringer or multi-beam girder |
| Length | about 64 ft |
| Location | 2M W Hobson |
| NBI structure number | S00239003+01001 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | June 2024 |
| 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 Judith Basin County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 87 over Dawkins Branch | 2021 | 3,335 | Good |
| US 87 over Ross Fork Creek | 1971 | 3,335 | Good |
| US 87 over Otter Creek | 1961 | 2,874 | Good |
| US 87 over Otter Creek | 1961 | 2,874 | Good |
| US 87 over Otter Creek | 1961 | 2,874 | Good |
| US 87 over Stockpass | 1961 | 2,753 | Good |
All bridges nearby: Judith Basin County, MT bridge conditions · every bridge in Judith Basin County · Montana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.