T-584 Geibel RD over Bonnie Brook
PoorPosted for loadButler County, Pennsylvania · 0.08 MI S of SR 422 · Structure no. 000000000008285
- Built
- 1907
- 118 years old, rebuilt 1985
- Condition
- Poor
- inspected November 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 35 ft
- 1 main span
- Daily traffic
- 300
- 2015 count
- Owner
- County
- County Highway Agency
About this bridge
T-584 Geibel RD over Bonnie Brook is a steel stringer/multi-beam or girder carrying T-584 Geibel RD over Bonnie Brook in Butler County, Pennsylvania. It was built in 1907 and reconstructed in 1985, so it is 118 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 3 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 300 vehicles a day, roughly 9% of them trucks, projected to reach 325 by 2035. The structure is 35 ft (10.7 m) long and 17 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 | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was T-584 Geibel RD over Bonnie Brook built?
It was built in 1907, making it 118 years old in 2025. It was reconstructed in 1985.
What condition is T-584 Geibel RD over Bonnie Brook 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 T-584 Geibel RD over Bonnie Brook carry?
About 300 vehicles per day (2015 count), of which roughly 9% are trucks.
How long is T-584 Geibel RD over Bonnie Brook?
The structure is 35 ft (10.7 m) long with a longest span of 34 ft (10.4 m) and a deck 17 ft wide.
Who owns T-584 Geibel RD over Bonnie Brook?
It is owned by the County Highway Agency.