Hot Metal Street over Mon River & Private RR
FairAllegheny County, Pennsylvania · 145 Hot Metal Bridge · Structure no. 000000000040785
- Built
- 1904
- 121 years old, rebuilt 2000
- Condition
- Fair
- inspected April 2024
- Type
- Truss - Thru
- Steel
- Length
- 1,117 ft
- 5 main spans
- Daily traffic
- 17,500
- 2022 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Hot Metal Street over Mon River & Private RR is a steel truss - thru carrying Hot Metal Street over Mon River & Private RR in Allegheny County, Pennsylvania. It was built in 1904 and reconstructed in 2000, so it is 121 years old, older than the Pennsylvania average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 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 17,500 vehicles a day, roughly 8% of them trucks, projected to reach 20,000 by 2044. The structure is 1,117 ft (340.5 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Hot Metal Street over Mon River & Private RR built?
It was built in 1904, making it 121 years old in 2025. It was reconstructed in 2000.
What condition is Hot Metal Street over Mon River & Private RR 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 April 2024.
How much traffic does Hot Metal Street over Mon River & Private RR carry?
About 17,500 vehicles per day (2022 count), of which roughly 8% are trucks.
How long is Hot Metal Street over Mon River & Private RR?
The structure is 1,117 ft (340.5 m) long with a longest span of 321 ft (97.8 m) and a deck 28 ft wide.
Who owns Hot Metal Street over Mon River & Private RR?
It is owned by the City or Municipal Highway Agency.