T-317 Cnty BR#29 over Mugser Run
PoorPosted for loadColumbia County, Pennsylvania · 3.5 Mi. SW of Numidia · Structure no. 000000000012779
- Built
- 1921
- 104 years old
- Condition
- Poor
- inspected March 2023
- Type
- Tee Beam
- Concrete
- Length
- 25 ft
- 1 main span
- Daily traffic
- 50
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
T-317 Cnty BR#29 over Mugser Run is a concrete tee beam carrying T-317 Cnty BR#29 over Mugser Run in Columbia County, Pennsylvania. It was built in 1921, so it is 104 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 50 vehicles a day, projected to reach 77 by 2046. The structure is 25 ft (7.6 m) long and 18 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, 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 T-317 Cnty BR#29 over Mugser Run built?
It was built in 1921, making it 104 years old in 2025.
What condition is T-317 Cnty BR#29 over Mugser 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 March 2023.
How much traffic does T-317 Cnty BR#29 over Mugser Run carry?
About 50 vehicles per day (2024 count).
How long is T-317 Cnty BR#29 over Mugser Run?
The structure is 25 ft (7.6 m) long with a longest span of 22 ft (6.7 m) and a deck 18 ft wide.
Who owns T-317 Cnty BR#29 over Mugser Run?
It is owned by the County Highway Agency.