Nd Highway 18 over South Branch Park River
FairWalsh County, North Dakota · Just North Nd 17 · Structure no. 0018198781
- Built
- 1973
- 52 years old, rebuilt 2003
- Condition
- Fair
- inspected July 2024
- Type
- Tee Beam
- Concrete Continuous
- Length
- 135 ft
- 3 main spans
- Daily traffic
- 1,000
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
Nd Highway 18 over South Branch Park River is a concrete continuous tee beam carrying Nd Highway 18 over South Branch Park River in Walsh County, North Dakota. It was built in 1973 and reconstructed in 2003, 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 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 1,000 vehicles a day, roughly 13% of them trucks, projected to reach 1,000 by 2039. The structure is 135 ft (41.1 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 | 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Nd Highway 18 over South Branch Park River built?
It was built in 1973, making it 52 years old in 2025. It was reconstructed in 2003.
What condition is Nd Highway 18 over South 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 South Branch Park River carry?
About 1,000 vehicles per day (2019 count), of which roughly 13% are trucks.
How long is Nd Highway 18 over South Branch Park River?
The structure is 135 ft (41.1 m) long with a longest span of 50 ft (15.2 m) and a deck 41 ft wide.
Who owns Nd Highway 18 over South Branch Park River?
It is owned by the State Highway Agency.