SR 1021 over Miller Run
PoorSomerset County, Pennsylvania · 1.5 Mi.W.Of Cairnbrook · Structure no. 000000000031557
- Built
- 1968
- 57 years old
- Condition
- Poor
- inspected December 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 39 ft
- 1 main span
- Daily traffic
- 543
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
SR 1021 over Miller Run is a prestressed concrete box beam or girders - multiple carrying SR 1021 over Miller Run in Somerset County, Pennsylvania. It was built in 1968, so it is 57 years old, older than the Pennsylvania average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 543 vehicles a day, roughly 42% of them trucks, projected to reach 531 by 2032. The structure is 39 ft (11.9 m) long and 44 ft wide. If it were closed, the detour would be 16.2 mi (26 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 SR 1021 over Miller Run built?
It was built in 1968, making it 57 years old in 2025.
What condition is SR 1021 over Miller Run in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in December 2024.
How much traffic does SR 1021 over Miller Run carry?
About 543 vehicles per day (2024 count), of which roughly 42% are trucks.
How long is SR 1021 over Miller Run?
The structure is 39 ft (11.9 m) long with a longest span of 38 ft (11.6 m) and a deck 44 ft wide.
Who owns SR 1021 over Miller Run?
It is owned by the State Highway Agency.