Interstate 29 over Pembina River
FairPembina County, North Dakota · 1 South of Nd 59 · Structure no. 0029214223 L
- Built
- 1976
- 49 years old
- Condition
- Fair
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 400 ft
- 7 main spans
- Daily traffic
- 1,450
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 29 over Pembina River is a steel stringer/multi-beam or girder carrying Interstate 29 over Pembina River in Pembina County, North Dakota. It was built in 1976, so it is 49 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 5 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 1,450 vehicles a day, roughly 34% of them trucks, projected to reach 1,450 by 2039. The structure is 400 ft (121.9 m) long and 45 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 Interstate 29 over Pembina River built?
It was built in 1976, making it 49 years old in 2025.
What condition is Interstate 29 over Pembina 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 August 2023.
How much traffic does Interstate 29 over Pembina River carry?
About 1,450 vehicles per day (2019 count), of which roughly 34% are trucks.
How long is Interstate 29 over Pembina River?
The structure is 400 ft (121.9 m) long with a longest span of 78 ft (23.8 m) and a deck 45 ft wide.
Who owns Interstate 29 over Pembina River?
It is owned by the State Highway Agency.