Irr-S 47-3rd ST E over Int E Hardin I 90
FairBig Horn County, Montana · HARDIN-3rd ST E · Structure no. P00048000+00001
- Built
- 1971
- 54 years old
- Condition
- Fair
- inspected March 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 266 ft
- 4 main spans
- Daily traffic
- 1,916
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Irr-S 47-3rd ST E over Int E Hardin I 90 is a steel continuous stringer/multi-beam or girder carrying Irr-S 47-3rd ST E over Int E Hardin I 90 in Big Horn County, Montana. It was built in 1971, so it is 54 years old, older than the Montana average of 47 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 1,916 vehicles a day, roughly 4% of them trucks, projected to reach 2,012 by 2043. The structure is 266 ft (81 m) long and 46 ft wide.
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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Irr-S 47-3rd ST E over Int E Hardin I 90 built?
It was built in 1971, making it 54 years old in 2025.
What condition is Irr-S 47-3rd ST E over Int E Hardin I 90 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 March 2024.
How much traffic does Irr-S 47-3rd ST E over Int E Hardin I 90 carry?
About 1,916 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is Irr-S 47-3rd ST E over Int E Hardin I 90?
The structure is 266 ft (81 m) long with a longest span of 84 ft (25.6 m) and a deck 46 ft wide.
Who owns Irr-S 47-3rd ST E over Int E Hardin I 90?
It is owned by the State Highway Agency.