T-346 Cathers Run over Cathers Run
Jefferson County, Pennsylvania · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- T-346 Cathers Run over Cathers Run in Jefferson County, Pennsylvania, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1936, making it 89 years old at the 2025 inventory.
- It carries about 50 vehicles a day (traffic count year 2024).
- Its listed owner is a town or township highway agency.
- It is one of 14 of the 201 inventoried bridges in Jefferson County rated poor (7.0%); 14 (7.0%) are rated poor.
- Its traffic status in the 2025 inventory is posted for load (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated May 2023, on a 24-month routine inspection cycle.
- It is coded scour critical (NBI item 113 = 3): scour critical: foundations unstable for the assessed or calculated scour.
- 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 → (41.30269, -79.16887)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 4 | 4 | Poor condition |
| Superstructure | 5 | 5 | Fair condition |
| Substructure | 4 | 4 | Poor condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 33 ft |
| Location | 0.8 Mile S. of SR 36 |
| NBI structure number | 000000000019819 |
| Condition class | Poor |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | May 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 3: scour critical: foundations unstable for the assessed or calculated scour |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Pennsylvania department of transportation.
Busiest bridges in Jefferson County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| SR0080 Eb&wb over Little Mill Creek | 1962 | 20,738 | Fair |
| SR0080 WB over SR0036 Nb&sb | 1960 | 12,788 | Fair |
| SR0080 WB over SR4003 | 1962 | 12,788 | Fair |
| SR0080 WB over North Fork & Wat Plnt Rd | 1962 | 12,788 | Fair |
| SR0080 EB over SR0036 Nb&sb | 1960 | 12,277 | Fair |
| SR0080 EB over SR4003 | 1962 | 12,277 | Fair |
All bridges nearby: Jefferson County, PA bridge conditions · every bridge in Jefferson County · Pennsylvania bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.