Gristmill Road over Ironstone Creek
Berks County, Pennsylvania · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Gristmill Road over Ironstone Creek in Berks 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 1900 and reconstructed in 2002, making it 125 years old at the 2025 inventory.
- It carries about 200 vehicles a day (traffic count year 2009).
- Its listed owner is a town or township highway agency.
- It is one of 103 of the 667 inventoried bridges in Berks County rated poor (15.4%); 103 (15.4%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated June 2024, 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 → (40.29242, -75.68114)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 5 | Fair condition |
| Superstructure | 5 | 5 | Fair condition |
| Substructure | 4 | 4 | Poor condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 50 ft |
| Location | Douglass Park/rr Trestle |
| NBI structure number | 000000000005349 |
| Condition class | Poor |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | June 2024 |
| 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 Berks County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 222 (lr 06150) over Crossing Drive | 1977 | 115,897 | Fair |
| US 222 (lr 06150) over SR 3023(STATE Hill Rd.) | 1977 | 102,594 | Fair |
| SR 12(LR 784) over Private Rds(car-tech.) | 1957 | 82,327 | Fair |
| SR 222 over SR 3422 SR 8028 Norfksou | 1977 | 81,907 | Fair |
| US 422(LR 793) over Franklin Street | 1963 | 73,048 | Fair |
| US 422(LR 793) over Wyomissing Creek | 1964 | 71,101 | Fair |
All bridges nearby: Berks County, PA bridge conditions · every bridge in Berks County · Pennsylvania bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.