T-390 Back Road over Little Glade Run
PoorPosted for loadSomerset County, Pennsylvania · 3.7 Mi.N.Of Confluence · Structure no. 000000000031868
- Built
- 1922
- 103 years old
- Condition
- Poor
- inspected September 2024
- Type
- Tee Beam
- Concrete
- Length
- 23 ft
- 1 main span
- Daily traffic
- 25
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
T-390 Back Road over Little Glade Run is a concrete tee beam carrying T-390 Back Road over Little Glade Run in Somerset County, Pennsylvania. It was built in 1922, so it is 103 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 25 vehicles a day, roughly 1% of them trucks, projected to reach 31 by 2044. The structure is 23 ft (7 m) long and 16 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was T-390 Back Road over Little Glade Run built?
It was built in 1922, making it 103 years old in 2025.
What condition is T-390 Back Road over Little Glade 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 September 2024.
How much traffic does T-390 Back Road over Little Glade Run carry?
About 25 vehicles per day (2024 count), of which roughly 1% are trucks.
How long is T-390 Back Road over Little Glade Run?
The structure is 23 ft (7 m) long with a longest span of 22 ft (6.7 m) and a deck 16 ft wide.
Who owns T-390 Back Road over Little Glade Run?
It is owned by the County Highway Agency.