US 15 NB and SB over Trib Susquehanna River
Union County, Pennsylvania · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US 15 NB and SB over Trib Susquehanna River in Union County, Pennsylvania, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 7 (good condition) on the 0-9 scale.
- It was built in 2002, making it 23 years old at the 2025 inventory.
- It carries about 17,555 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 86 of the 164 inventoried bridges in Union County rated good (52.4%); 7 (4.3%) are rated poor.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (40.96305, -76.89231)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 7 | Good condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 51 ft |
| Location | Boro of Lewisburg |
| NBI structure number | 000000000041844 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Pennsylvania department of transportation.
Busiest bridges in Union County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| SR0015 over Buffalo Creek | 1930 | 21,561 | Fair |
| US Tr 15 over over Winfield Creek | 1930 | 17,492 | Fair |
| SR 15 Nbl & Sbl over over White Deer Creek | 1963 | 17,258 | Good |
| SR 0015 (tr 15) over over S.R. 1010 | 1963 | 17,101 | Fair |
| I-80 WB over over US 15 NB & SB | 1962 | 16,130 | Good |
| SR 0080 WB over over SR1011&UN.CO.IND.RR | 1962 | 16,130 | Good |
All bridges nearby: Union County, PA bridge conditions · every bridge in Union County · Pennsylvania bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.