I 90 over Sep Elizabeth LN
GoodMineral County, Montana · 9.9M W Alberton · Structure no. I00090065+04971
- Built
- 1981
- 44 years old
- Condition
- Good
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 448 ft
- 4 main spans
- Daily traffic
- 4,088
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I 90 over Sep Elizabeth LN is a prestressed concrete stringer/multi-beam or girder carrying I 90 over Sep Elizabeth LN in Mineral County, Montana. It was built in 1981, so it is 44 years old, younger than the Montana average of 47 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 4,088 vehicles a day, roughly 23% of them trucks, projected to reach 4,292 by 2043. The structure is 448 ft (136.5 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| 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 I 90 over Sep Elizabeth LN built?
It was built in 1981, making it 44 years old in 2025.
What condition is I 90 over Sep Elizabeth LN in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2023.
How much traffic does I 90 over Sep Elizabeth LN carry?
About 4,088 vehicles per day (2023 count), of which roughly 23% are trucks.
How long is I 90 over Sep Elizabeth LN?
The structure is 448 ft (136.5 m) long with a longest span of 133 ft (40.5 m) and a deck 44 ft wide.
Who owns I 90 over Sep Elizabeth LN?
It is owned by the State Highway Agency.