Nd Highway 1806 over Square Butte Creek
GoodMorton County, North Dakota · 1 South of County Line · Structure no. 1806084748
- Built
- 2011
- 14 years old
- Condition
- Good
- inspected June 2023
- Type
- Box Beam or Girders - Single or Spread
- Prestressed Concrete
- Length
- 125 ft
- 3 main spans
- Daily traffic
- 300
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
Nd Highway 1806 over Square Butte Creek is a prestressed concrete box beam or girders - single or spread carrying Nd Highway 1806 over Square Butte Creek in Morton County, North Dakota. It was built in 2011, so it is 14 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 300 vehicles a day, roughly 9% of them trucks, projected to reach 370 by 2039. The structure is 125 ft (38.1 m) long and 38 ft wide. If it were closed, the detour would be 123.7 mi (199 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 | 9 Excellent | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Nd Highway 1806 over Square Butte Creek built?
It was built in 2011, making it 14 years old in 2025.
What condition is Nd Highway 1806 over Square Butte Creek 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 June 2023.
How much traffic does Nd Highway 1806 over Square Butte Creek carry?
About 300 vehicles per day (2019 count), of which roughly 9% are trucks.
How long is Nd Highway 1806 over Square Butte Creek?
The structure is 125 ft (38.1 m) long with a longest span of 42 ft (12.8 m) and a deck 38 ft wide.
Who owns Nd Highway 1806 over Square Butte Creek?
It is owned by the State Highway Agency.