Boles Arch Bridge over Cross Creek Trib.
Washington County, Pennsylvania · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Boles Arch Bridge over Cross Creek Trib. in Washington County, Pennsylvania, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1913, making it 112 years old at the 2025 inventory.
- It carries about 30 vehicles a day (traffic count year 2024).
- Its listed owner is the county highway agency.
- It is one of 76 of the 655 inventoried bridges in Washington County rated poor (11.6%); 76 (11.6%) 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 July 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 → (40.29454, -80.45122)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Superstructure | 5 | 5 | Fair condition |
| Substructure | 4 | 4 | Poor condition |
Bridge details
| Structure | Concrete deck arch |
| Length | about 60 ft |
| Location | 1000 West of SR 4029 |
| NBI structure number | 000000000035269 |
| Condition class | Poor |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | July 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 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.