Interstate 29 over ND297/DEMERS Ave Int-Gf
PoorGrand Forks County, North Dakota · 1 South US 2 · Structure no. 0029140195 L
- Built
- 1968
- 57 years old, rebuilt 1995
- Condition
- Poor
- inspected April 2023
- Type
- Box Beam or Girders - Single or Spread
- Prestressed Concrete Continuous
- Length
- 285 ft
- 4 main spans
- Daily traffic
- 8,200
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 29 over ND297/DEMERS Ave Int-Gf is a prestressed concrete continuous box beam or girders - single or spread carrying Interstate 29 over ND297/DEMERS Ave Int-Gf in Grand Forks County, North Dakota. It was built in 1968 and reconstructed in 1995, 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 8,200 vehicles a day, roughly 15% of them trucks, projected to reach 8,200 by 2039. The structure is 285 ft (86.9 m) long and 50 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 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| 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 ND297/DEMERS Ave Int-Gf built?
It was built in 1968, making it 57 years old in 2025. It was reconstructed in 1995.
What condition is Interstate 29 over ND297/DEMERS Ave Int-Gf in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2023.
How much traffic does Interstate 29 over ND297/DEMERS Ave Int-Gf carry?
About 8,200 vehicles per day (2019 count), of which roughly 15% are trucks.
How long is Interstate 29 over ND297/DEMERS Ave Int-Gf?
The structure is 285 ft (86.9 m) long with a longest span of 70 ft (21.3 m) and a deck 50 ft wide.
Who owns Interstate 29 over ND297/DEMERS Ave Int-Gf?
It is owned by the State Highway Agency.