Interstate 29 over BNSF Separation
FairRichland County, North Dakota · 1 North of Nd 13 · Structure no. 0029023087 R
- Built
- 1973
- 52 years old
- Condition
- Fair
- inspected May 2024
- Type
- Box Beam or Girders - Single or Spread
- Prestressed Concrete Continuous
- Length
- 185 ft
- 3 main spans
- Daily traffic
- 2,550
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 29 over BNSF Separation is a prestressed concrete continuous box beam or girders - single or spread carrying Interstate 29 over BNSF Separation in Richland County, North Dakota. It was built in 1973, so it is 52 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 2,550 vehicles a day, roughly 22% of them trucks, projected to reach 2,550 by 2039. The structure is 185 ft (56.4 m) long and 45 ft wide. If it were closed, the detour would be 11.8 mi (19 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Interstate 29 over BNSF Separation built?
It was built in 1973, making it 52 years old in 2025.
What condition is Interstate 29 over BNSF Separation 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 May 2024.
How much traffic does Interstate 29 over BNSF Separation carry?
About 2,550 vehicles per day (2019 count), of which roughly 22% are trucks.
How long is Interstate 29 over BNSF Separation?
The structure is 185 ft (56.4 m) long with a longest span of 61 ft (18.6 m) and a deck 45 ft wide.
Who owns Interstate 29 over BNSF Separation?
It is owned by the State Highway Agency.