Santiago Road over Montour Run
PoorPosted for loadAllegheny County, Pennsylvania · Santiago near SR 0030 · Structure no. 000000000001823
- Built
- 1955
- 70 years old
- Condition
- Poor
- inspected November 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 32 ft
- 1 main span
- Daily traffic
- 1,952
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Santiago Road over Montour Run is a prestressed concrete box beam or girders - multiple carrying Santiago Road over Montour Run in Allegheny County, Pennsylvania. It was built in 1955, so it is 70 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. Its operating status is: posted for load restriction.
It carries about 1,952 vehicles a day, roughly 4% of them trucks, projected to reach 2,513 by 2032. The structure is 32 ft (9.8 m) long and 39 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 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Santiago Road over Montour Run built?
It was built in 1955, making it 70 years old in 2025.
What condition is Santiago Road over Montour 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 November 2023.
How much traffic does Santiago Road over Montour Run carry?
About 1,952 vehicles per day (2024 count), of which roughly 4% are trucks.
How long is Santiago Road over Montour Run?
The structure is 32 ft (9.8 m) long with a longest span of 28 ft (8.5 m) and a deck 39 ft wide.
Who owns Santiago Road over Montour Run?
It is owned by the State Highway Agency.