Nd Highway 18 over Middle Branch Park River
FairWalsh County, North Dakota · 8 South of Nd 66 · Structure no. 0018203479
- Built
- 1951
- 74 years old, rebuilt 2003
- Condition
- Fair
- inspected July 2024
- Type
- Slab
- Concrete Continuous
- Length
- 86 ft
- 3 main spans
- Daily traffic
- 1,230
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
Nd Highway 18 over Middle Branch Park River is a concrete continuous slab carrying Nd Highway 18 over Middle Branch Park River in Walsh County, North Dakota. It was built in 1951 and reconstructed in 2003, so it is 74 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 1,230 vehicles a day, roughly 11% of them trucks, projected to reach 1,230 by 2039. The structure is 86 ft (26.2 m) long and 41 ft wide. If it were closed, the detour would be 16.8 mi (27 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 Nd Highway 18 over Middle Branch Park River built?
It was built in 1951, making it 74 years old in 2025. It was reconstructed in 2003.
What condition is Nd Highway 18 over Middle Branch Park 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 July 2024.
How much traffic does Nd Highway 18 over Middle Branch Park River carry?
About 1,230 vehicles per day (2019 count), of which roughly 11% are trucks.
How long is Nd Highway 18 over Middle Branch Park River?
The structure is 86 ft (26.2 m) long with a longest span of 32 ft (9.8 m) and a deck 41 ft wide.
Who owns Nd Highway 18 over Middle Branch Park River?
It is owned by the State Highway Agency.