81st ST SW over Timber Creek
FairHettinger County, North Dakota · 8 South 1 East of Mott · Structure no. 000000021130270
- Built
- 1969
- 56 years old
- Condition
- Fair
- inspected September 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 53 ft
- 1 main span
- Daily traffic
- 50
- 2018 count
- Owner
- County
- County Highway Agency
About this bridge
81st ST SW over Timber Creek is a prestressed concrete box beam or girders - multiple carrying 81st ST SW over Timber Creek in Hettinger County, North Dakota. It was built in 1969, so it is 56 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 50 vehicles a day, projected to reach 50 by 2038. The structure is 53 ft (16.2 m) long and 30 ft wide. If it were closed, the detour would be 14.9 mi (24 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 81st ST SW over Timber Creek built?
It was built in 1969, making it 56 years old in 2025.
What condition is 81st ST SW over Timber Creek in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.
How much traffic does 81st ST SW over Timber Creek carry?
About 50 vehicles per day (2018 count).
How long is 81st ST SW over Timber Creek?
The structure is 53 ft (16.2 m) long with a longest span of 51 ft (15.5 m) and a deck 30 ft wide.
Who owns 81st ST SW over Timber Creek?
It is owned by the County Highway Agency.