T470 Black Bear RD over Conowingo Creek
PoorClosed to trafficLancaster County, Pennsylvania · 500 East of Hensel RD · Structure no. 000000000021907
- Built
- 1950
- 75 years old
- Condition
- Poor
- inspected July 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 35 ft
- 1 main span
- Daily traffic
- 155
- 2011 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
T470 Black Bear RD over Conowingo Creek is a steel stringer/multi-beam or girder carrying T470 Black Bear RD over Conowingo Creek in Lancaster County, Pennsylvania. It was built in 1950, so it is 75 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: closed to all traffic.
It carries about 155 vehicles a day, projected to reach 240 by 2031. The structure is 35 ft (10.7 m) long and 15 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 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, 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 T470 Black Bear RD over Conowingo Creek built?
It was built in 1950, making it 75 years old in 2025.
What condition is T470 Black Bear RD over Conowingo Creek 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 July 2023.
How much traffic does T470 Black Bear RD over Conowingo Creek carry?
About 155 vehicles per day (2011 count).
How long is T470 Black Bear RD over Conowingo Creek?
The structure is 35 ft (10.7 m) long with a longest span of 30 ft (9.1 m) and a deck 15 ft wide.
Who owns T470 Black Bear RD over Conowingo Creek?
It is owned by the Town or Township Highway Agency.