Pa Tpk (I-576) over SR 4004
Washington County, Pennsylvania · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Pa Tpk (I-576) over SR 4004 in Washington County, Pennsylvania, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 5 (fair condition) on the 0-9 scale.
- It was built in 2006, making it 19 years old at the 2025 inventory.
- It carries about 2,025 vehicles a day (traffic count year 2008).
- It is one of 321 of the 655 inventoried bridges in Washington County rated fair (49.0%); 76 (11.6%) are rated poor.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (40.42535, -80.31795)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 7 | Good condition |
| Substructure | 5 | Fair condition |
Bridge details
| Structure | Prestressed concrete stringer or multi-beam girder |
| Length | about 116 ft |
| Location | Robinson Twp |
| NBI structure number | 000000000045352 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Pennsylvania department of transportation.
Busiest bridges in Washington County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| SR 0070 over 0088 0906 2 R/R Mon | 1951 | 58,141 | Fair |
| SR 0070 over Catfish Creek | 1960 | 49,280 | Fair |
| SR 0070 over Chartiers Creek | 1960 | 46,613 | Fair |
| SR 0070 EB & WB over 8011(under) 8011 (over) | 2015 | 40,868 | Good |
| SR 0070 over Chartiers Creek | 1957 | 32,380 | Good |
| SR 0070 over North Br. Pigeon Creek | 1956 | 31,684 | Fair |
All bridges nearby: Washington County, PA bridge conditions · every bridge in Washington County · Pennsylvania bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.