Mill Road over Little Shenango River
PoorClosed to trafficMercer County, Pennsylvania · 2000FT N of Lake Wilhelm · Structure no. 000000000026217
- Built
- 1885
- 140 years old
- Condition
- Poor
- inspected August 2023
- Type
- Truss - Thru
- Steel
- Length
- 82 ft
- 1 main span
- Daily traffic
- 57
- 2017 count
- Owner
- County
- County Highway Agency
About this bridge
Mill Road over Little Shenango River is a steel truss - thru carrying Mill Road over Little Shenango River in Mercer County, Pennsylvania. It was built in 1885, so it is 140 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 1 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: closed to all traffic.
It carries about 57 vehicles a day, roughly 4% of them trucks, projected to reach 80 by 2037. The structure is 82 ft (25 m) long and 12 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 1 Imminent Failure | Major deterioration or section loss present in critical structural components. Bridge is closed to traffic but corrective action may put it back in light service. |
| Superstructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| 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 Mill Road over Little Shenango River built?
It was built in 1885, making it 140 years old in 2025.
What condition is Mill Road over Little Shenango River 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 August 2023.
How much traffic does Mill Road over Little Shenango River carry?
About 57 vehicles per day (2017 count), of which roughly 4% are trucks.
How long is Mill Road over Little Shenango River?
The structure is 82 ft (25 m) long with a longest span of 78 ft (23.8 m) and a deck 12 ft wide.
Who owns Mill Road over Little Shenango River?
It is owned by the County Highway Agency.