S 28th RD over Sep I 94 005
FairYellowstone County, Montana · 3M SW Pompey`s Pillar · Structure no. L56138001+03201
- Built
- 1968
- 57 years old
- Condition
- Fair
- inspected December 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 276 ft
- 5 main spans
- Daily traffic
- 72
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S 28th RD over Sep I 94 005 is a prestressed concrete stringer/multi-beam or girder carrying S 28th RD over Sep I 94 005 in Yellowstone County, Montana. It was built in 1968, so it is 57 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 72 vehicles a day, roughly 3% of them trucks, projected to reach 76 by 2043. The structure is 276 ft (84.1 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S 28th RD over Sep I 94 005 built?
It was built in 1968, making it 57 years old in 2025.
What condition is S 28th RD over Sep I 94 005 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 December 2023.
How much traffic does S 28th RD over Sep I 94 005 carry?
About 72 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is S 28th RD over Sep I 94 005?
The structure is 276 ft (84.1 m) long with a longest span of 62 ft (18.9 m) and a deck 32 ft wide.
Who owns S 28th RD over Sep I 94 005?
It is owned by the State Highway Agency.