US 12-E Broadway S over Rattlesnake Creek
FairMissoula County, Montana · Missoula-E Broadway ST · Structure no. P00071004+05181
- Built
- 1964
- 61 years old, rebuilt 1983
- Condition
- Fair
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 67 ft
- 1 main span
- Daily traffic
- 21,390
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 12-E Broadway S over Rattlesnake Creek is a prestressed concrete stringer/multi-beam or girder carrying US 12-E Broadway S over Rattlesnake Creek in Missoula County, Montana. It was built in 1964 and reconstructed in 1983, so it is 61 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 21,390 vehicles a day, projected to reach 22,460 by 2043. The structure is 67 ft (20.4 m) long and 84 ft wide. If it were closed, the detour would be 5 mi (8 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 | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 12-E Broadway S over Rattlesnake Creek built?
It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1983.
What condition is US 12-E Broadway S over Rattlesnake Creek 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 US 12-E Broadway S over Rattlesnake Creek carry?
About 21,390 vehicles per day (2023 count).
How long is US 12-E Broadway S over Rattlesnake Creek?
The structure is 67 ft (20.4 m) long with a longest span of 65 ft (19.8 m) and a deck 84 ft wide.
Who owns US 12-E Broadway S over Rattlesnake Creek?
It is owned by the State Highway Agency.