Interstate 29 over Turtle River
FairGrand Forks County, North Dakota · 7 South of Nd 54 · Structure no. 0029153750 L
- Built
- 1971
- 54 years old, rebuilt 2016
- Condition
- Fair
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 255 ft
- 3 main spans
- Daily traffic
- 2,750
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 29 over Turtle River is a steel continuous stringer/multi-beam or girder carrying Interstate 29 over Turtle River in Grand Forks County, North Dakota. It was built in 1971 and reconstructed in 2016, 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 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 2,750 vehicles a day, roughly 27% of them trucks, projected to reach 2,750 by 2039. The structure is 255 ft (77.7 m) long and 42 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Interstate 29 over Turtle River built?
It was built in 1971, making it 54 years old in 2025. It was reconstructed in 2016.
What condition is Interstate 29 over Turtle 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 June 2023.
How much traffic does Interstate 29 over Turtle River carry?
About 2,750 vehicles per day (2019 count), of which roughly 27% are trucks.
How long is Interstate 29 over Turtle River?
The structure is 255 ft (77.7 m) long with a longest span of 98 ft (29.9 m) and a deck 42 ft wide.
Who owns Interstate 29 over Turtle River?
It is owned by the State Highway Agency.