Walnut ST (pa 23) over Millcross RD (T-548)
GoodLancaster County, Pennsylvania · Walnut ST Extension · Structure no. 000000000068409
- Built
- 2023
- 2 years old
- Condition
- Good
- inspected December 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 167 ft
- 2 main spans
- Daily traffic
- 300
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Walnut ST (pa 23) over Millcross RD (T-548) is a steel continuous stringer/multi-beam or girder carrying Walnut ST (pa 23) over Millcross RD (T-548) in Lancaster County, Pennsylvania. It was built in 2023, so it is 2 years old, younger than the Pennsylvania average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 300 vehicles a day, roughly 10% of them trucks, projected to reach 10,500 by 2027. The structure is 167 ft (50.9 m) long and 54 ft wide. If it were closed, the detour would be 8.7 mi (14 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 9 Excellent | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Walnut ST (pa 23) over Millcross RD (T-548) built?
It was built in 2023, making it 2 years old in 2025.
What condition is Walnut ST (pa 23) over Millcross RD (T-548) in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2023.
How much traffic does Walnut ST (pa 23) over Millcross RD (T-548) carry?
About 300 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is Walnut ST (pa 23) over Millcross RD (T-548)?
The structure is 167 ft (50.9 m) long with a longest span of 84 ft (25.6 m) and a deck 54 ft wide.
Who owns Walnut ST (pa 23) over Millcross RD (T-548)?
It is owned by the State Highway Agency.