Mullowney LN over RR
GoodYellowstone County, Montana · Billings-Mullowney LN · Structure no. U01010002+06981
- Built
- 2007
- 18 years old
- Condition
- Good
- inspected October 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 161 ft
- 2 main spans
- Daily traffic
- 23,980
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Mullowney LN over RR is a prestressed concrete stringer/multi-beam or girder carrying Mullowney LN over RR in Yellowstone County, Montana. It was built in 2007, so it is 18 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 23,980 vehicles a day, projected to reach 27,457 by 2043. The structure is 161 ft (49 m) long and 47 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 Mullowney LN over RR built?
It was built in 2007, making it 18 years old in 2025.
What condition is Mullowney LN over RR 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 October 2023.
How much traffic does Mullowney LN over RR carry?
About 23,980 vehicles per day (2023 count).
How long is Mullowney LN over RR?
The structure is 161 ft (49 m) long with a longest span of 56 ft (17.2 m) and a deck 47 ft wide.
Who owns Mullowney LN over RR?
It is owned by the State Highway Agency.