County Highway over Little Muddy River
PoorWilliams County, North Dakota · 2 East 5 North Williston · Structure no. 0085918209
- Built
- 1954
- 71 years old
- Condition
- Poor
- inspected October 2024
- Type
- Girder and Floorbeam System
- Steel
- Length
- 120 ft
- 3 main spans
- Daily traffic
- 3,495
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
County Highway over Little Muddy River is a steel girder and floorbeam system carrying County Highway over Little Muddy River in Williams County, North Dakota. It was built in 1954, so it is 71 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 3,495 vehicles a day, roughly 10% of them trucks, projected to reach 430 by 2040. The structure is 120 ft (36.6 m) long and 29 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was County Highway over Little Muddy River built?
It was built in 1954, making it 71 years old in 2025.
What condition is County Highway over Little Muddy River 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 October 2024.
How much traffic does County Highway over Little Muddy River carry?
About 3,495 vehicles per day (2021 count), of which roughly 10% are trucks.
How long is County Highway over Little Muddy River?
The structure is 120 ft (36.6 m) long with a longest span of 43 ft (13.1 m) and a deck 29 ft wide.
Who owns County Highway over Little Muddy River?
It is owned by the State Highway Agency.