County Highway over County Drain 12
PoorCass County, North Dakota · 2 West 1 North of Harwood · Structure no. 000000009137170
- Built
- 1961
- 64 years old
- Condition
- Poor
- inspected September 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 111 ft
- 2 main spans
- Daily traffic
- 20
- 2019 count
- Owner
- County
- County Highway Agency
About this bridge
County Highway over County Drain 12 is a prestressed concrete box beam or girders - multiple carrying County Highway over County Drain 12 in Cass County, North Dakota. It was built in 1961, so it is 64 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 20 vehicles a day, projected to reach 20 by 2039. The structure is 111 ft (33.8 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was County Highway over County Drain 12 built?
It was built in 1961, making it 64 years old in 2025.
What condition is County Highway over County Drain 12 in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2023.
How much traffic does County Highway over County Drain 12 carry?
About 20 vehicles per day (2019 count).
How long is County Highway over County Drain 12?
The structure is 111 ft (33.8 m) long with a longest span of 54 ft (16.5 m) and a deck 28 ft wide.
Who owns County Highway over County Drain 12?
It is owned by the County Highway Agency.