SH 33 Spur over US 20;SH 33 Spur Ic
FairMadison County, Idaho · 0.5 N. Sugar City · Structure no. 000000000012583
- Built
- 2001
- 24 years old
- Condition
- Fair
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 241 ft
- 2 main spans
- Daily traffic
- 2,300
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
SH 33 Spur over US 20;SH 33 Spur Ic is a prestressed concrete continuous stringer/multi-beam or girder carrying SH 33 Spur over US 20;SH 33 Spur Ic in Madison County, Idaho. It was built in 2001, so it is 24 years old, younger than the Idaho average of 45.3 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 2,300 vehicles a day, roughly 10% of them trucks, projected to reach 3,450 by 2042. The structure is 241 ft (73.5 m) long and 57 ft wide. If it were closed, the detour would be 0.6 mi (1 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 | 8 Very Good | No problems noted. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SH 33 Spur over US 20;SH 33 Spur Ic built?
It was built in 2001, making it 24 years old in 2025.
What condition is SH 33 Spur over US 20;SH 33 Spur Ic 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 SH 33 Spur over US 20;SH 33 Spur Ic carry?
About 2,300 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is SH 33 Spur over US 20;SH 33 Spur Ic?
The structure is 241 ft (73.5 m) long with a longest span of 118 ft (36 m) and a deck 57 ft wide.
Who owns SH 33 Spur over US 20;SH 33 Spur Ic?
It is owned by the State Highway Agency.