Irrfb Nd Hiway 23 over Missouri River
GoodMcKenzie County, North Dakota · 3 West of Nd 1804 · Structure no. 0023046203
- Built
- 2005
- 20 years old
- Condition
- Good
- inspected July 2023
- Type
- Segmental Box Girder
- Prestressed Concrete Continuous
- Length
- 4,517 ft
- 15 main spans
- Daily traffic
- 5,070
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
Irrfb Nd Hiway 23 over Missouri River is a prestressed concrete continuous segmental box girder carrying Irrfb Nd Hiway 23 over Missouri River in McKenzie County, North Dakota. It was built in 2005, so it is 20 years old, younger than the North Dakota average of 48.2 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 5,070 vehicles a day, roughly 6% of them trucks, projected to reach 6,600 by 2039. The structure is 4,517 ft (1,376.8 m) long and 53 ft wide. If it were closed, the detour would be 123.7 mi (199 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Irrfb Nd Hiway 23 over Missouri River built?
It was built in 2005, making it 20 years old in 2025.
What condition is Irrfb Nd Hiway 23 over Missouri River in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2023.
How much traffic does Irrfb Nd Hiway 23 over Missouri River carry?
About 5,070 vehicles per day (2019 count), of which roughly 6% are trucks.
How long is Irrfb Nd Hiway 23 over Missouri River?
The structure is 4,517 ft (1,376.8 m) long with a longest span of 310 ft (94.5 m) and a deck 53 ft wide.
Who owns Irrfb Nd Hiway 23 over Missouri River?
It is owned by the State Highway Agency.