US Highway 81 over Creek
Pembina County, North Dakota · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US Highway 81 over Creek in Pembina County, North Dakota, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1951, making it 74 years old at the 2025 inventory.
- It carries about 1,250 vehicles a day (traffic count year 2013).
- Its listed owner is the state highway agency.
- It is one of 116 of the 203 inventoried bridges in Pembina County rated fair (57.1%); 47 (23.2%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- It was rated poor in the 2024 inventory and is now fair (culvert 4 to 5).
- Its most recent inspection on record is dated May 2024, 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 → (48.80374, -97.36488)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 4 | 5 | Fair condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 20 ft |
| Location | 4 East of Hamilton |
| NBI structure number | 0081222285 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | May 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the North Dakota department of transportation.
Busiest bridges in Pembina County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Interstate 29 over Drainage Ditch | 2021 | 3,825 | Good |
| Nd Highway 5 over Tongue River | 1996 | 3,640 | Fair |
| Interstate 29 over Legal Drain #64 | 2023 | 3,295 | Good |
| Interstate 29 over Drain Ditch #39 | 1958 | 2,850 | Poor |
| Nd Highway 66 over I-29/DRAYTON Interchange | 1959 | 1,830 | Fair |
| US 81 & Nd 5 over I-29/JOLIETTE Int | 1959 | 1,830 | Fair |
All bridges nearby: Pembina County, ND bridge conditions · every bridge in Pembina County · North Dakota bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.