CR139 over Big Muddy Creek
FairMorton County, North Dakota · 4 East of Glen Ullin · Structure no. 000000030117110
- Built
- 1937
- 88 years old
- Condition
- Fair
- inspected November 2024
- Type
- Tee Beam
- Concrete
- Length
- 95 ft
- 3 main spans
- Daily traffic
- 100
- 2018 count
- Owner
- County
- County Highway Agency
About this bridge
CR139 over Big Muddy Creek is a concrete tee beam carrying CR139 over Big Muddy Creek in Morton County, North Dakota. It was built in 1937, so it is 88 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 80 by 2038. The structure is 95 ft (29 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 CR139 over Big Muddy Creek built?
It was built in 1937, making it 88 years old in 2025.
What condition is CR139 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 November 2024.
How much traffic does CR139 over Big Muddy Creek carry?
About 100 vehicles per day (2018 count), of which roughly 10% are trucks.
How long is CR139 over Big Muddy Creek?
The structure is 95 ft (29 m) long with a longest span of 42 ft (12.8 m) and a deck 32 ft wide.
Who owns CR139 over Big Muddy Creek?
It is owned by the County Highway Agency.