Seright RD over Rock Creek 045
FairFergus County, Montana · 3M E Moore · Structure no. L14330003+01001
- Built
- 1962
- 63 years old
- Condition
- Fair
- inspected June 2024
- Type
- Slab
- Prestressed Concrete
- Length
- 25 ft
- 1 main span
- Daily traffic
- 100
- 2025 count
- Owner
- County
- County Highway Agency
About this bridge
Seright RD over Rock Creek 045 is a prestressed concrete slab carrying Seright RD over Rock Creek 045 in Fergus County, Montana. It was built in 1962, so it is 63 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 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 25 ft (7.6 m) long and 23 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Seright RD over Rock Creek 045 built?
It was built in 1962, making it 63 years old in 2025.
What condition is Seright RD over Rock Creek 045 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 June 2024.
How much traffic does Seright RD over Rock Creek 045 carry?
About 100 vehicles per day (2025 count), of which roughly 3% are trucks.
How long is Seright RD over Rock Creek 045?
The structure is 25 ft (7.6 m) long with a longest span of 24 ft (7.3 m) and a deck 23 ft wide.
Who owns Seright RD over Rock Creek 045?
It is owned by the County Highway Agency.