42 1/2 ST over Big Muddy Creek
FairMorton County, North Dakota · 9 East 2 South Glen Ullin · Structure no. 000000030123130
- Built
- 1955
- 70 years old, rebuilt 1993
- Condition
- Fair
- inspected November 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 56 ft
- 1 main span
- Daily traffic
- 5
- 2018 count
- Owner
- County
- County Highway Agency
About this bridge
42 1/2 ST over Big Muddy Creek is a steel stringer/multi-beam or girder carrying 42 1/2 ST over Big Muddy Creek in Morton County, North Dakota. It was built in 1955 and reconstructed in 1993, so it is 70 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 5 vehicles a day, projected to reach 5 by 2038. The structure is 56 ft (17.1 m) long and 20 ft wide. If it were closed, the detour would be 123.7 mi (199 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 | 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 | 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 42 1/2 ST over Big Muddy Creek built?
It was built in 1955, making it 70 years old in 2025. It was reconstructed in 1993.
What condition is 42 1/2 ST 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 42 1/2 ST over Big Muddy Creek carry?
About 5 vehicles per day (2018 count).
How long is 42 1/2 ST over Big Muddy Creek?
The structure is 56 ft (17.1 m) long with a longest span of 54 ft (16.5 m) and a deck 20 ft wide.
Who owns 42 1/2 ST over Big Muddy Creek?
It is owned by the County Highway Agency.