County Highway 139 over Big Muddy Creek
GoodMorton County, North Dakota · 3 West 1 North Glen Ullin · Structure no. 000000030110110
- Built
- 1970
- 55 years old
- Condition
- Good
- inspected September 2024
- Type
- Channel Beam
- Concrete
- Length
- 32 ft
- 1 main span
- Daily traffic
- 500
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
County Highway 139 over Big Muddy Creek is a concrete channel beam carrying County Highway 139 over Big Muddy Creek in Morton County, North Dakota. It was built in 1970, so it is 55 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 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 500 vehicles a day, roughly 10% of them trucks, projected to reach 673 by 2042. The structure is 32 ft (9.8 m) long and 32 ft wide. If it were closed, the detour would be 8.1 mi (13 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 |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was County Highway 139 over Big Muddy Creek built?
It was built in 1970, making it 55 years old in 2025.
What condition is County Highway 139 over Big Muddy Creek 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 September 2024.
How much traffic does County Highway 139 over Big Muddy Creek carry?
About 500 vehicles per day (2022 count), of which roughly 10% are trucks.
How long is County Highway 139 over Big Muddy Creek?
The structure is 32 ft (9.8 m) long with a longest span of 29 ft (8.8 m) and a deck 32 ft wide.
Who owns County Highway 139 over Big Muddy Creek?
It is owned by the County Highway Agency.