County Highway over Little Muddy River
PoorClosed to trafficWilliams County, North Dakota · 1 East 3 South Alamo · Structure no. 000000053128080
- Built
- 1920
- 105 years old
- Condition
- Poor
- inspected November 2024
- Type
- Truss - Thru
- Steel
- Length
- 41 ft
- 1 main span
- Daily traffic
- 20
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
County Highway over Little Muddy River is a steel truss - thru carrying County Highway over Little Muddy River in Williams County, North Dakota. It was built in 1920, so it is 105 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 2 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. Its operating status is: closed to all traffic.
It carries about 20 vehicles a day, projected to reach 20 by 2040. The structure is 41 ft (12.5 m) long and 16 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 2 Critical | Advanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 County Highway over Little Muddy River built?
It was built in 1920, making it 105 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 November 2024.
How much traffic does County Highway over Little Muddy River carry?
About 20 vehicles per day (2020 count).
How long is County Highway over Little Muddy River?
The structure is 41 ft (12.5 m) long with a longest span of 39 ft (11.9 m) and a deck 16 ft wide.
Who owns County Highway over Little Muddy River?
It is owned by the County Highway Agency.