Third Street over I 90 Eb-Wb;third St.Gs
FairShoshone County, Idaho · In Mullan;third Street · Structure no. 000000000030965
- Built
- 1973
- 52 years old
- Condition
- Fair
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 230 ft
- 3 main spans
- Daily traffic
- 360
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Third Street over I 90 Eb-Wb;third St.Gs is a steel continuous stringer/multi-beam or girder carrying Third Street over I 90 Eb-Wb;third St.Gs in Shoshone County, Idaho. It was built in 1973, so it is 52 years old, older 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 360 vehicles a day, roughly 10% of them trucks, projected to reach 540 by 2042. The structure is 230 ft (70.1 m) long and 40 ft wide. If it were closed, the detour would be 98.8 mi (159 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Third Street over I 90 Eb-Wb;third St.Gs built?
It was built in 1973, making it 52 years old in 2025.
What condition is Third Street over I 90 Eb-Wb;third St.Gs 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 April 2024.
How much traffic does Third Street over I 90 Eb-Wb;third St.Gs carry?
About 360 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is Third Street over I 90 Eb-Wb;third St.Gs?
The structure is 230 ft (70.1 m) long with a longest span of 136 ft (41.5 m) and a deck 40 ft wide.
Who owns Third Street over I 90 Eb-Wb;third St.Gs?
It is owned by the State Highway Agency.