Welch Rd over Two Medicine Canal 016
Glacier County, Montana · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Welch Rd over Two Medicine Canal 016 in Glacier County, Montana, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 7 (good condition) on the 0-9 scale.
- It was built in 1960 and reconstructed in 2024, making it 65 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 28 of the 71 inventoried bridges in Glacier County rated good (39.4%); 3 (4.2%) are rated poor.
- Its traffic status in the 2025 inventory is closed to all traffic (NBI item 41).
- It was rated poor in the 2024 inventory and is now good.
- Status change: newly closed since 2024.
- Its most recent inspection on record is dated September 2024, on a 24-month routine inspection cycle.
- It has fracture-critical members (NBI item 92A): steel tension members without a redundant load path, which get their own scheduled inspections.
- 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 → (48.5962, -112.57828)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | – | 7 | Good condition |
Bridge details
| Structure | Continuous steel culvert |
| Length | about 47 ft |
| Location | 12M SW Cut Bank |
| NBI structure number | L18021002+00001 |
| Condition class | Good |
| Traffic status (item 41) | Closed to all traffic |
| Last inspection (item 90) | September 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
| Fracture critical (item 92A) | Yes |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Montana department of transportation.
Busiest bridges in Glacier County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Irr - US 2 over RR | 1997 | 3,716 | Good |
| Irr - US 2 over Cut Bank Creek | 2007 | 3,523 | Fair |
| Irr - US 2 over RR | 1997 | 2,515 | Good |
| Irr - US 89 over St Marys River | 1956 | 2,355 | Fair |
| Going-to-the-sun R over St. Mary River | 1934 | 2,300 | Fair |
| Going-to-the-sun R over Divide Creek | 1934 | 2,300 | Fair |
All bridges nearby: Glacier County, MT bridge conditions · every bridge in Glacier County · Montana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.