Seidersville Road over Saucon Creek
Northampton County, Pennsylvania · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Seidersville Road over Saucon Creek in Northampton County, Pennsylvania, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 1 (imminent failure condition) on the 0-9 scale.
- It was built in 1936, making it 89 years old at the 2025 inventory.
- Its listed owner is the county highway agency.
- It is one of 29 of the 354 inventoried bridges in Northampton County rated poor (8.2%); 29 (8.2%) are rated poor.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (40.59102, -75.3477)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 4 | Poor condition |
| Superstructure | 1 | Imminent failure condition |
| Substructure | 5 | Fair condition |
Bridge details
| Structure | Steel through truss |
| Length | about 134 ft |
| Location | 0.2 Miles West of Pa 412 |
| NBI structure number | 000000000028904 |
| Condition class | Poor |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Pennsylvania department of transportation.
Busiest bridges in Northampton County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 22 (lr 772) over Pa 512(LR 48046) | 1954 | 94,431 | Fair |
| US 22 (lr 772) over Twp.line Rd.(t-434) | 1954 | 94,335 | Fair |
| US 22 (lr 772) over Christian Spring Rd. | 1954 | 94,335 | Fair |
| US 22 (lr 772) over Norfolk Southern RR | 1954 | 94,335 | Fair |
| US 22 (lr 772) over Pa 191 & Monocacy CR. | 1954 | 94,335 | Fair |
| US 22 (lr 772) over T-575(jacksonville Road) | 1954 | 89,021 | Fair |
All bridges nearby: Northampton County, PA bridge conditions · every bridge in Northampton County · Pennsylvania bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.