T-393 over Hallowing Run
Northumberland County, Pennsylvania · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- T-393 over Hallowing Run in Northumberland 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 1904 and reconstructed in 2012, making it 121 years old at the 2025 inventory.
- It carries about 25 vehicles a day (traffic count year 2017).
- Its listed owner is the county highway agency.
- It is one of 20 of the 298 inventoried bridges in Northumberland County rated poor (6.7%); 20 (6.7%) are rated poor.
- Its traffic status in the 2025 inventory is closed to all traffic (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated December 2023, on a 24-month routine inspection cycle.
- 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 → (40.79659, -76.80645)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 1 | 1 | Imminent failure condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 26 ft |
| Location | S of Sunbury |
| NBI structure number | 000000000029343 |
| Condition class | Poor |
| Traffic status (item 41) | Closed to all traffic |
| Last inspection (item 90) | December 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 4: foundations stable, field review says exposed foundations need protection |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Pennsylvania department of transportation.
Busiest bridges in Northumberland County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| SR 61 over Susquehanna River | 1986 | 20,080 | Good |
| SR 61 over over Shamokin CR. | 1926 | 17,574 | Fair |
| I-80 WB over SR405& WB Susquehanna R. | 1962 | 16,130 | Fair |
| SR 80 Wbl over Norfolk Southern RR | 2001 | 16,130 | Good |
| I-80 EB over SR405 & W Br Susquehanna | 1962 | 16,007 | Fair |
| SR 80 Ebl over Norfolk Southern RR | 2002 | 16,007 | Good |
All bridges nearby: Northumberland County, PA bridge conditions · every bridge in Northumberland County · Pennsylvania bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.