HWY 139 over Big Muddy Creek
FairMorton County, North Dakota · 1 West of Glen Ullin · Structure no. 000000030112123
- Built
- 1950
- 75 years old
- Condition
- Fair
- inspected September 2024
- Type
- Culvert
- Concrete
- Length
- 53 ft
- 3 main spans
- Daily traffic
- 470
- 2018 count
- Owner
- County
- County Highway Agency
About this bridge
HWY 139 over Big Muddy Creek is a concrete culvert carrying HWY 139 over Big Muddy Creek in Morton County, North Dakota. It was built in 1950, so it is 75 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 470 vehicles a day, roughly 10% of them trucks, projected to reach 500 by 2038. The structure is 53 ft (16.2 m) long. 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 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 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 HWY 139 over Big Muddy Creek built?
It was built in 1950, making it 75 years old in 2025.
What condition is HWY 139 over Big Muddy Creek 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 September 2024.
How much traffic does HWY 139 over Big Muddy Creek carry?
About 470 vehicles per day (2018 count), of which roughly 10% are trucks.
How long is HWY 139 over Big Muddy Creek?
The structure is 53 ft (16.2 m) long with a longest span of 17 ft (5.2 m).
Who owns HWY 139 over Big Muddy Creek?
It is owned by the County Highway Agency.