RT 50 Connector over SR 3001 - Miller Road
Allegheny County, Pennsylvania · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- RT 50 Connector over SR 3001 - Miller Road in Allegheny County, Pennsylvania, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 2017, making it 8 years old at the 2025 inventory.
- It carries about 1,500 vehicles a day (traffic count year 2022).
- It is one of 388 of the 1,296 inventoried bridges in Allegheny County rated good (29.9%); 120 (9.3%) 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 → (40.33784, -80.18042)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 8 | Very good condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 687 ft |
| Location | MP 15.93 on Rt 3001 |
| NBI structure number | 000000000067830 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Pennsylvania department of transportation.
Busiest bridges in Allegheny County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Penn Linc Pw over Buswy Arch Bell Poc RR | 1952 | 99,372 | Fair |
| Penn Linc Pw over SR50 Wle RR Chartiers Ck | 1950 | 99,372 | Fair |
| Penn Lincoln Py over Campbells Run | 1972 | 96,254 | Fair |
| Parkway West over Campbells Run Road | 1973 | 96,254 | Good |
| SR 0279 NB SB over Suffolk St. | 1987 | 88,452 | Fair |
| Penn Lincoln Pw over Whiskey Run Bell Rd | 1953 | 87,163 | Fair |
All bridges nearby: Allegheny County, PA bridge conditions · every bridge in Allegheny County · Pennsylvania bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.