81st Ave SW over Heart River
GoodStark County, North Dakota · 13 S 7 E Richardson · Structure no. 000000045151222
- Built
- 2003
- 22 years old
- Condition
- Good
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 236 ft
- 2 main spans
- Daily traffic
- 130
- 2018 count
- Owner
- County
- County Highway Agency
About this bridge
81st Ave SW over Heart River is a prestressed concrete continuous stringer/multi-beam or girder carrying 81st Ave SW over Heart River in Stark County, North Dakota. It was built in 2003, so it is 22 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 130 vehicles a day, roughly 7% of them trucks, projected to reach 130 by 2038. The structure is 236 ft (71.9 m) long and 31 ft wide. If it were closed, the detour would be 11.8 mi (19 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 81st Ave SW over Heart River built?
It was built in 2003, making it 22 years old in 2025.
What condition is 81st Ave SW over Heart River 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 August 2024.
How much traffic does 81st Ave SW over Heart River carry?
About 130 vehicles per day (2018 count), of which roughly 7% are trucks.
How long is 81st Ave SW over Heart River?
The structure is 236 ft (71.9 m) long with a longest span of 116 ft (35.4 m) and a deck 31 ft wide.
Who owns 81st Ave SW over Heart River?
It is owned by the County Highway Agency.