Nd Highway 6 over Burlington Northern RR
GoodMorton County, North Dakota · 10th Ave & Main ST Mandan · Structure no. 0006067352
- Built
- 1990
- 35 years old
- Condition
- Good
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 395 ft
- 3 main spans
- Daily traffic
- 6,800
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
Nd Highway 6 over Burlington Northern RR is a steel continuous stringer/multi-beam or girder carrying Nd Highway 6 over Burlington Northern RR in Morton County, North Dakota. It was built in 1990, so it is 35 years old, younger 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 6,800 vehicles a day, roughly 4% of them trucks, projected to reach 8,000 by 2039. The structure is 395 ft (120.4 m) long and 55 ft wide. If it were closed, the detour would be 1.9 mi (3 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 6 over Burlington Northern RR built?
It was built in 1990, making it 35 years old in 2025.
What condition is Nd Highway 6 over Burlington Northern RR 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 April 2023.
How much traffic does Nd Highway 6 over Burlington Northern RR carry?
About 6,800 vehicles per day (2019 count), of which roughly 4% are trucks.
How long is Nd Highway 6 over Burlington Northern RR?
The structure is 395 ft (120.4 m) long with a longest span of 183 ft (55.8 m) and a deck 55 ft wide.
Who owns Nd Highway 6 over Burlington Northern RR?
It is owned by the State Highway Agency.