Interstate 94 over West River Rd. Int.
Billings County, North Dakota · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Interstate 94 over West River Rd. Int. in Billings County, North Dakota, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1968, making it 57 years old at the 2025 inventory.
- It carries about 1,525 vehicles a day (traffic count year 2019).
- Its listed owner is the state highway agency.
- It is one of 21 of the 60 inventoried bridges in Billings County rated fair (35.0%); 2 (3.3%) 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 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 → (46.92938, -103.57592)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Continuous concrete tee beam |
| Length | about 120 ft |
| Location | W River Road W of Medora |
| NBI structure number | 0094023001 R |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | April 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | N: not over a waterway |
Source: FHWA National Bridge Inventory, 2025 data as reported by the North Dakota department of transportation.
Busiest bridges in Billings County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Interstate 94 over Sheep Creek | 1964 | 2,600 | Fair |
| Interstate 94 over West River Rd. Int. | 1968 | 1,525 | Fair |
| Interstate 94 over Little Missouri R. | 1964 | 1,300 | Fair |
| Interstate 94 over Little Missouri R. | 1964 | 1,300 | Fair |
| Interstate 94 over Sheep Creek | 1964 | 1,300 | Fair |
| Interstate 94 over Sheep Creek | 1964 | 1,300 | Poor |
All bridges nearby: Billings County, ND bridge conditions · every bridge in Billings County · North Dakota bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.