Nd Highway 1804 over Little Muddy River
FairWilliams County, North Dakota · 2 East of US 2 · Structure no. 1804316923
- Built
- 1981
- 44 years old
- Condition
- Fair
- inspected September 2023
- Type
- Box Beam or Girders - Single or Spread
- Prestressed Concrete Continuous
- Length
- 220 ft
- 3 main spans
- Daily traffic
- 2,700
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
Nd Highway 1804 over Little Muddy River is a prestressed concrete continuous box beam or girders - single or spread carrying Nd Highway 1804 over Little Muddy River in Williams County, North Dakota. It was built in 1981, so it is 44 years old, younger 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 6 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 2,700 vehicles a day, roughly 6% of them trucks, projected to reach 2,860 by 2039. The structure is 220 ft (67.1 m) long and 61 ft wide. If it were closed, the detour would be 37.9 mi (61 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Nd Highway 1804 over Little Muddy River built?
It was built in 1981, making it 44 years old in 2025.
What condition is Nd Highway 1804 over Little Muddy River 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 2023.
How much traffic does Nd Highway 1804 over Little Muddy River carry?
About 2,700 vehicles per day (2019 count), of which roughly 6% are trucks.
How long is Nd Highway 1804 over Little Muddy River?
The structure is 220 ft (67.1 m) long with a longest span of 72 ft (21.9 m) and a deck 61 ft wide.
Who owns Nd Highway 1804 over Little Muddy River?
It is owned by the State Highway Agency and maintained by the City or Municipal Highway Agency.