Nd Highway 49 over Knife River Coal Road
GoodMercer County, North Dakota · 5 South of Beulah · Structure no. 0049098857
- Built
- 1963
- 62 years old
- Condition
- Good
- inspected September 2023
- Type
- Slab
- Concrete Continuous
- Length
- 101 ft
- 3 main spans
- Daily traffic
- 1,590
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
Nd Highway 49 over Knife River Coal Road is a concrete continuous slab carrying Nd Highway 49 over Knife River Coal Road in Mercer County, North Dakota. It was built in 1963, so it is 62 years old, older than the North Dakota average of 48.2 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 1,590 vehicles a day, roughly 7% of them trucks, projected to reach 1,474 by 2039. The structure is 101 ft (30.8 m) long and 36 ft wide. If it were closed, the detour would be 47.8 mi (77 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Nd Highway 49 over Knife River Coal Road built?
It was built in 1963, making it 62 years old in 2025.
What condition is Nd Highway 49 over Knife River Coal Road in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2023.
How much traffic does Nd Highway 49 over Knife River Coal Road carry?
About 1,590 vehicles per day (2019 count), of which roughly 7% are trucks.
How long is Nd Highway 49 over Knife River Coal Road?
The structure is 101 ft (30.8 m) long with a longest span of 37 ft (11.3 m) and a deck 36 ft wide.
Who owns Nd Highway 49 over Knife River Coal Road?
It is owned by the State Highway Agency.