104th Avenue SW over Thirty Mile Creek
GoodHettinger County, North Dakota · 12 N. 2 W. of Regent · Structure no. 000000021116030
- Built
- 1971
- 54 years old
- Condition
- Good
- inspected October 2024
- Type
- Channel Beam
- Concrete
- Length
- 25 ft
- 1 main span
- Daily traffic
- 20
- 2018 count
- Owner
- County
- County Highway Agency
About this bridge
104th Avenue SW over Thirty Mile Creek is a concrete channel beam carrying 104th Avenue SW over Thirty Mile Creek in Hettinger County, North Dakota. It was built in 1971, so it is 54 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 20 vehicles a day, projected to reach 10 by 2038. The structure is 25 ft (7.6 m) long and 23 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| 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 104th Avenue SW over Thirty Mile Creek built?
It was built in 1971, making it 54 years old in 2025.
What condition is 104th Avenue SW over Thirty Mile 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 October 2024.
How much traffic does 104th Avenue SW over Thirty Mile Creek carry?
About 20 vehicles per day (2018 count).
How long is 104th Avenue SW over Thirty Mile Creek?
The structure is 25 ft (7.6 m) long with a longest span of 23 ft (7 m) and a deck 23 ft wide.
Who owns 104th Avenue SW over Thirty Mile Creek?
It is owned by the County Highway Agency.