35th ST over Little Knife River
FairMorton County, North Dakota · 1 East of Hebron · Structure no. 000000030104050
- Built
- 1964
- 61 years old
- Condition
- Fair
- inspected September 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 51 ft
- 1 main span
- Daily traffic
- 125
- 2018 count
- Owner
- County
- County Highway Agency
About this bridge
35th ST over Little Knife River is a prestressed concrete box beam or girders - multiple carrying 35th ST over Little Knife River in Morton County, North Dakota. It was built in 1964, so it is 61 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 125 vehicles a day, roughly 10% of them trucks, projected to reach 300 by 2038. The structure is 51 ft (15.5 m) long and 31 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 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 | 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 35th ST over Little Knife River built?
It was built in 1964, making it 61 years old in 2025.
What condition is 35th ST over Little Knife River 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 35th ST over Little Knife River carry?
About 125 vehicles per day (2018 count), of which roughly 10% are trucks.
How long is 35th ST over Little Knife River?
The structure is 51 ft (15.5 m) long with a longest span of 49 ft (14.9 m) and a deck 31 ft wide.
Who owns 35th ST over Little Knife River?
It is owned by the County Highway Agency.