Interstate 29 over North Grand Forks Int
FairGrand Forks County, North Dakota · Junction US 81- Gf · Structure no. 0029144711 R
- Built
- 1968
- 57 years old, rebuilt 2015
- Condition
- Fair
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 400 ft
- 6 main spans
- Daily traffic
- 4,650
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 29 over North Grand Forks Int is a steel continuous stringer/multi-beam or girder carrying Interstate 29 over North Grand Forks Int in Grand Forks County, North Dakota. It was built in 1968 and reconstructed in 2015, so it is 57 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 4,650 vehicles a day, roughly 19% of them trucks, projected to reach 4,650 by 2039. The structure is 400 ft (121.9 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Interstate 29 over North Grand Forks Int built?
It was built in 1968, making it 57 years old in 2025. It was reconstructed in 2015.
What condition is Interstate 29 over North Grand Forks Int 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 April 2023.
How much traffic does Interstate 29 over North Grand Forks Int carry?
About 4,650 vehicles per day (2019 count), of which roughly 19% are trucks.
How long is Interstate 29 over North Grand Forks Int?
The structure is 400 ft (121.9 m) long with a longest span of 71 ft (21.6 m) and a deck 39 ft wide.
Who owns Interstate 29 over North Grand Forks Int?
It is owned by the State Highway Agency.