T-421 (cty. Br. 2) over White Deer Hole Creek
Poor Condition137 years old13 vehicles/day
Location
| State | Pennsylvania |
| County | Union |
| Location | 0.25 Mi.s Of Allenwood |
| Carries | T-421 (cty. Br. 2) |
| Crosses | White Deer Hole Creek |
| Coordinates | 41.10391, -76.89800 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 6 (Satisfactory) |
| Superstructure | 4 (Poor) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 4 — Foundations need monitoring |
Physical Characteristics
| Material | Steel |
| Design | Truss - Thru |
| Total Length | 89.9 ft (27.4 m) |
| Max Span | 86.0 ft (26.2 m) |
| Deck Width | 16.1 ft (4.9 m) |
| Deck Area | 134.3 sq m |
| Main Spans | 1 |
| Year Built | 1889 (reconstructed 1994) |
Traffic
| Avg Daily Traffic | 13 (2023) |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 423 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is eligible for the National Register |
| Structure Number | 000000000033587 |