Upper Harb Rd over Drainage 057
Phillips County, Montana · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Upper Harb Rd over Drainage 057 in Phillips County, Montana, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1950, making it 75 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 22 of the 101 inventoried bridges in Phillips County rated poor (21.8%); 22 (21.8%) 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 poor (substructure 5 to 4).
- Status change: its 2024 load posting has been removed.
- Its most recent inspection on record is dated April 2024, on a 24-month routine inspection cycle.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (48.28108, -107.61731)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 5 | Fair condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 5 | 4 | Poor condition |
Bridge details
| Structure | Timber stringer or multi-beam girder |
| Length | about 37 ft |
| Location | 16M E Malta |
| NBI structure number | L36205005+08001 |
| Condition class | Poor |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | April 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 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.